11312012013100 has 36 divisors (see below), whose sum is σ = 24547265593200. Its totient is φ = 4524768026560.

The previous prime is 11312012013053. The next prime is 11312012013119. The reversal of 11312012013100 is 131021021311.

It is a happy number.

It is a super-2 number, since 2×11312012013100² (a number of 27 digits) contains 22 as substring.

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, 14244321 + ... + 15017479.

It is an arithmetic number, because the mean of its divisors is an integer number (681868488700).

Almost surely, 2^{11312012013100} is an apocalyptic number.

11312012013100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11312012013100 is an abundant number, since it is smaller than the sum of its proper divisors (13235253580100).

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

11312012013100 is a wasteful number, since it uses less digits than its factorization.

11312012013100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919482 (or 919475 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11312012013100 its reverse (131021021311), we get a palindrome (11443033034411).

The spelling of 11312012013100 in words is "eleven trillion, three hundred twelve billion, twelve million, thirteen thousand, one hundred".