100012313122 has 16 divisors (see below), whose sum is σ = 152520651000. Its totient is φ = 49178742400.

The previous prime is 100012313077. The next prime is 100012313123. The reversal of 100012313122 is 221313210001.

It can be written as a sum of positive squares in 4 ways, for example, as 73083174921 + 26929138201 = 270339^2 + 164101^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100012313096 and 100012313105.

It is not an unprimeable number, because it can be changed into a prime (100012313123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1631347 + ... + 1691542.

Almost surely, 2^100012313122 is an apocalyptic number.

100012313122 is a deficient number, since it is larger than the sum of its proper divisors (52508337878).

100012313122 is a wasteful number, since it uses less digits than its factorization.

100012313122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3323141.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 100012313122 its reverse (221313210001), we get a palindrome (321325523123).

The spelling of 100012313122 in words is "one hundred billion, twelve million, three hundred thirteen thousand, one hundred twenty-two".