131222212032 has 28 divisors (see below), whose sum is σ = 347192103176. Its totient is φ = 43740737280.

The previous prime is 131222212031. The next prime is 131222212097. The reversal of 131222212032 is 230212222131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131222212031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341724319 + ... + 341724702.

Almost surely, 2^131222212032 is an apocalyptic number.

131222212032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131222212032 is an abundant number, since it is smaller than the sum of its proper divisors (215969891144).

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

131222212032 is an equidigital number, since it uses as much as digits as its factorization.

131222212032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683449036 (or 683449026 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 131222212032 its reverse (230212222131), we get a palindrome (361434434163).

The spelling of 131222212032 in words is "one hundred thirty-one billion, two hundred twenty-two million, two hundred twelve thousand, thirty-two".