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12112100202012 = 2234323473062407
BaseRepresentation
bin1011000001000001000101…
…1011100001011000011100
31120212220110002101101201020
42300100101123201120130
53041421040122431022
641432115542244140
72360033064010626
oct260202133413034
946786402341636
1012112100202012
11394a792890858
1214374a5a26650
1369b221048575
142dc32baa1c16
151600e45c035c
hexb04116e161c

12112100202012 has 24 divisors (see below), whose sum is σ = 28918812886656. Its totient is φ = 3943474484208.

The previous prime is 12112100202001. The next prime is 12112100202029. The reversal of 12112100202012 is 21020200121121.

It is a junction number, because it is equal to n+sod(n) for n = 12112100201982 and 12112100202000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11736530688 + ... + 11736531719.

It is an arithmetic number, because the mean of its divisors is an integer number (1204950536944).

Almost surely, 212112100202012 is an apocalyptic number.

12112100202012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12112100202012 is an abundant number, since it is smaller than the sum of its proper divisors (16806712684644).

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

12112100202012 is a wasteful number, since it uses less digits than its factorization.

12112100202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23473062457 (or 23473062455 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12112100202012 its reverse (21020200121121), we get a palindrome (33132300323133).

The spelling of 12112100202012 in words is "twelve trillion, one hundred twelve billion, one hundred million, two hundred two thousand, twelve".

Divisors: 1 2 3 4 6 12 43 86 129 172 258 516 23473062407 46946124814 70419187221 93892249628 140838374442 281676748884 1009341683501 2018683367002 3028025050503 4037366734004 6056050101006 12112100202012