13213255025100 has 144 divisors (see below), whose sum is σ = 41227787863808. Its totient is φ = 3248018991360.

The previous prime is 13213255025063. The next prime is 13213255025101. The reversal of 13213255025100 is 152055231231.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (13213255025101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 505167 + ... + 5165433.

Almost surely, 2^{13213255025100} is an apocalyptic number.

13213255025100 is a gapful number since it is divisible by the number (10) 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 13213255025100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20613893931904).

13213255025100 is an abundant number, since it is smaller than the sum of its proper divisors (28014532838708).

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

13213255025100 is a wasteful number, since it uses less digits than its factorization.

13213255025100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4661024 (or 4661017 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 13213255025100 in words is "thirteen trillion, two hundred thirteen billion, two hundred fifty-five million, twenty-five thousand, one hundred".