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13022112030312 = 23371125752152627
BaseRepresentation
bin1011110101111111001001…
…0111001001111001101000
31201002220100101012001110010
42331133302113021321220
53201323241134432222
643410135314051520
72512550034636150
oct275376227117150
951086311161403
1013022112030312
114170712834410
121563932b79ba0
13735c97aa3918
143303b8a09760
15178b05a4480c
hexbd7f25c9e68

13022112030312 has 256 divisors, whose sum is σ = 40825316321280. Its totient is φ = 3362675097600.

The previous prime is 13022112030287. The next prime is 13022112030313. The reversal of 13022112030312 is 21303021122031.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (13022112030313) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 247415343 + ... + 247467969.

It is an arithmetic number, because the mean of its divisors is an integer number (159473891880).

Almost surely, 213022112030312 is an apocalyptic number.

13022112030312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13022112030312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20412658160640).

13022112030312 is an abundant number, since it is smaller than the sum of its proper divisors (27803204290968).

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

13022112030312 is a wasteful number, since it uses less digits than its factorization.

13022112030312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53432 (or 53428 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13022112030312 its reverse (21303021122031), we get a palindrome (34325133152343).

The spelling of 13022112030312 in words is "thirteen trillion, twenty-two billion, one hundred twelve million, thirty thousand, three hundred twelve".