102312030132 has 54 divisors (see below), whose sum is σ = 280046406822. Its totient is φ = 31480622784.

The previous prime is 102312030127. The next prime is 102312030133. The reversal of 102312030132 is 231030213201.

It can be written as a sum of positive squares in 3 ways, for example, as 1744398756 + 100567631376 = 41766^2 + 317124^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102312030133) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8402203 + ... + 8414370.

Almost surely, 2^102312030132 is an apocalyptic number.

102312030132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102312030132 is an abundant number, since it is smaller than the sum of its proper divisors (177734376690).

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

102312030132 is a wasteful number, since it uses less digits than its factorization.

102312030132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16816609 (or 16816591 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 102312030132 its reverse (231030213201), we get a palindrome (333342243333).

The spelling of 102312030132 in words is "one hundred two billion, three hundred twelve million, thirty thousand, one hundred thirty-two".