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13312020122412 = 2231179216159051
BaseRepresentation
bin1100000110110111001000…
…1110110000101100101100
31202010121122120102001010120
43001231302032300230230
53221101004122404122
644151242502404540
72542522161026514
oct301556216605454
952117576361116
1013312020122412
114272661351960
1215abb60730750
13757419b7589b
1434043b702844
1518142223d75c
hexc1b723b0b2c

13312020122412 has 72 divisors (see below), whose sum is σ = 34319499544512. Its totient is φ = 3982882644000.

The previous prime is 13312020122411. The next prime is 13312020122413. The reversal of 13312020122412 is 21422102021331.

It is an interprime number because it is at equal distance from previous prime (13312020122411) and next prime (13312020122413).

It is not an unprimeable number, because it can be changed into a prime (13312020122411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7255714 + ... + 8903337.

It is an arithmetic number, because the mean of its divisors is an integer number (476659715896).

Almost surely, 213312020122412 is an apocalyptic number.

13312020122412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13312020122412 is an abundant number, since it is smaller than the sum of its proper divisors (21007479422100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13312020122412 is a wasteful number, since it uses less digits than its factorization.

13312020122412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16159227 (or 16159146 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 13312020122412 its reverse (21422102021331), we get a palindrome (34734122143743).

The spelling of 13312020122412 in words is "thirteen trillion, three hundred twelve billion, twenty million, one hundred twenty-two thousand, four hundred twelve".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 79 132 158 237 316 474 869 948 1738 2607 3476 5214 6241 10428 12482 18723 24964 37446 68651 74892 137302 205953 274604 411906 823812 16159051 32318102 48477153 64636204 96954306 177749561 193908612 355499122 533248683 710998244 1066497366 1276565029 2132994732 2553130058 3829695087 5106260116 7659390174 14042215319 15318780348 28084430638 42126645957 56168861276 84253291914 100848637291 168506583828 201697274582 302545911873 403394549164 605091823746 1109335010201 1210183647492 2218670020402 3328005030603 4437340040804 6656010061206 13312020122412