102312130122 has 36 divisors (see below), whose sum is σ = 227829513366. Its totient is φ = 33182304480.

The previous prime is 102312130111. The next prime is 102312130127. The reversal of 102312130122 is 221031213201.

102312130122 is a `hidden beast` number, since 102 + 312 + 130 + 122 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 92842699401 + 9469430721 = 304701^2 + 97311^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102312130095 and 102312130104.

It is not an unprimeable number, because it can be changed into a prime (102312130127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2051329 + ... + 2100612.

Almost surely, 2^102312130122 is an apocalyptic number.

102312130122 is an abundant number, since it is smaller than the sum of its proper divisors (125517383244).

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

102312130122 is a wasteful number, since it uses less digits than its factorization.

102312130122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4152023 (or 4151983 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 102312130122 its reverse (221031213201), we get a palindrome (323343343323).

The spelling of 102312130122 in words is "one hundred two billion, three hundred twelve million, one hundred thirty thousand, one hundred twenty-two".