130131231212 has 48 divisors (see below), whose sum is σ = 237999820800. Its totient is φ = 62188231680.

The previous prime is 130131231203. The next prime is 130131231239. The reversal of 130131231212 is 212132131031.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3306989 + ... + 3346107.

It is an arithmetic number, because the mean of its divisors is an integer number (4958329600).

Almost surely, 2^130131231212 is an apocalyptic number.

It is an amenable number.

130131231212 is a deficient number, since it is larger than the sum of its proper divisors (107868589588).

130131231212 is a wasteful number, since it uses less digits than its factorization.

130131231212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39486 (or 39484 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 130131231212 its reverse (212132131031), we get a palindrome (342263362243).

The spelling of 130131231212 in words is "one hundred thirty billion, one hundred thirty-one million, two hundred thirty-one thousand, two hundred twelve".