130311223212 has 24 divisors (see below), whose sum is σ = 304242405376. Its totient is φ = 43410948048.

The previous prime is 130311223169. The next prime is 130311223213. The reversal of 130311223212 is 212322113031.

It is not an unprimeable number, because it can be changed into a prime (130311223213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3245008 + ... + 3284919.

Almost surely, 2^130311223212 is an apocalyptic number.

130311223212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130311223212 is an abundant number, since it is smaller than the sum of its proper divisors (173931182164).

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

130311223212 is a wasteful number, since it uses less digits than its factorization.

130311223212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6531597 (or 6531595 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 130311223212 its reverse (212322113031), we get a palindrome (342633336243).

The spelling of 130311223212 in words is "one hundred thirty billion, three hundred eleven million, two hundred twenty-three thousand, two hundred twelve".