231212132102130 has 32 divisors (see below), whose sum is σ = 557230912531200. Its totient is φ = 61398591284352.

The previous prime is 231212132102111. The next prime is 231212132102131. The reversal of 231212132102130 is 31201231212132.

It is a self number, because there is not a number n which added to its sum of digits gives 231212132102130.

It is not an unprimeable number, because it can be changed into a prime (231212132102131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16123572475 + ... + 16123586814.

It is an arithmetic number, because the mean of its divisors is an integer number (17413466016600).

Almost surely, 2^{231212132102130} is an apocalyptic number.

231212132102130 is an abundant number, since it is smaller than the sum of its proper divisors (326018780429070).

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

231212132102130 is a wasteful number, since it uses less digits than its factorization.

231212132102130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32247159538.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 231212132102130 its reverse (31201231212132), we get a palindrome (262413363314262).

The spelling of 231212132102130 in words is "two hundred thirty-one trillion, two hundred twelve billion, one hundred thirty-two million, one hundred two thousand, one hundred thirty".