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13221200122232 = 2312109136481131
BaseRepresentation
bin1100000001100100110011…
…1011111101000101111000
31201210221020011120000020012
43000121030323331011320
53213104004212402412
644041422510521052
72533125443540054
oct300311473750570
951727204500205
1013221200122232
11423809687a573
121596435206188
1374b9a51ba1cb
14339ca3950c64
1517dda8dd8c22
hexc064cefd178

13221200122232 has 16 divisors (see below), whose sum is σ = 24791797627800. Its totient is φ = 6610054088160.

The previous prime is 13221200122223. The next prime is 13221200122237. The reversal of 13221200122232 is 23222100212231.

It is a happy number.

13221200122232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13221200122198 and 13221200122207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13221200122237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68143694 + ... + 68337437.

Almost surely, 213221200122232 is an apocalyptic number.

It is an amenable number.

13221200122232 is a deficient number, since it is larger than the sum of its proper divisors (11570597505568).

13221200122232 is a wasteful number, since it uses less digits than its factorization.

13221200122232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136493246 (or 136493242 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 13221200122232 its reverse (23222100212231), we get a palindrome (36443300334463).

The spelling of 13221200122232 in words is "thirteen trillion, two hundred twenty-one billion, two hundred million, one hundred twenty-two thousand, two hundred thirty-two".

Divisors: 1 2 4 8 12109 24218 48436 96872 136481131 272962262 545924524 1091849048 1652650015279 3305300030558 6610600061116 13221200122232