100012213131 has 8 divisors (see below), whose sum is σ = 133351862784. Its totient is φ = 66673686120.

The previous prime is 100012213057. The next prime is 100012213151. The reversal of 100012213131 is 131312210001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100012213131 - 2²³ = 100003824523 is a prime.

It is a super-2 number, since 2×100012213131² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100012213131.

It is not an unprimeable number, because it can be changed into a prime (100012213151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44371 + ... + 449436.

It is an arithmetic number, because the mean of its divisors is an integer number (16668982848).

Almost surely, 2^100012213131 is an apocalyptic number.

100012213131 is a deficient number, since it is larger than the sum of its proper divisors (33339649653).

100012213131 is an equidigital number, since it uses as much as digits as its factorization.

100012213131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561321.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 100012213131 its reverse (131312210001), we get a palindrome (231324423132).

The spelling of 100012213131 in words is "one hundred billion, twelve million, two hundred thirteen thousand, one hundred thirty-one".