13123331211100 has 36 divisors (see below), whose sum is σ = 31066504069608. Its totient is φ = 4772120440000.

The previous prime is 13123331211083. The next prime is 13123331211149. The reversal of 13123331211100 is 111213332131.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5965149451 + ... + 5965151650.

It is an arithmetic number, because the mean of its divisors is an integer number (862958446378).

Almost surely, 2^{13123331211100} is an apocalyptic number.

13123331211100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13123331211100 is an abundant number, since it is smaller than the sum of its proper divisors (17943172858508).

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

13123331211100 is a wasteful number, since it uses less digits than its factorization.

13123331211100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11930301126 (or 11930301119 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 13123331211100 its reverse (111213332131), we get a palindrome (13234544543231).

The spelling of 13123331211100 in words is "thirteen trillion, one hundred twenty-three billion, three hundred thirty-one million, two hundred eleven thousand, one hundred".