131133013212 has 48 divisors (see below), whose sum is σ = 306796058240. Its totient is φ = 43594155072.

The previous prime is 131133013199. The next prime is 131133013243. The reversal of 131133013212 is 212310331131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7396863 + ... + 7414569.

Almost surely, 2^131133013212 is an apocalyptic number.

131133013212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131133013212 is an abundant number, since it is smaller than the sum of its proper divisors (175663045028).

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

131133013212 is a wasteful number, since it uses less digits than its factorization.

131133013212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19330 (or 19328 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 131133013212 its reverse (212310331131), we get a palindrome (343443344343).

The spelling of 131133013212 in words is "one hundred thirty-one billion, one hundred thirty-three million, thirteen thousand, two hundred twelve".