131012122220412 has 24 divisors (see below), whose sum is σ = 313150926284112. Its totient is φ = 42605568201600.

The previous prime is 131012122220363. The next prime is 131012122220423. The reversal of 131012122220412 is 214022221210131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133142400139 + ... + 133142401122.

It is an arithmetic number, because the mean of its divisors is an integer number (13047955261838).

Almost surely, 2^{131012122220412} is an apocalyptic number.

131012122220412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131012122220412 is an abundant number, since it is smaller than the sum of its proper divisors (182138804063700).

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

131012122220412 is a wasteful number, since it uses less digits than its factorization.

131012122220412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266284801309 (or 266284801307 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 131012122220412 its reverse (214022221210131), we get a palindrome (345034343430543).

The spelling of 131012122220412 in words is "one hundred thirty-one trillion, twelve billion, one hundred twenty-two million, two hundred twenty thousand, four hundred twelve".