131212213014320 has 80 divisors (see below), whose sum is σ = 314912072932608. Its totient is φ = 50791378959360.

The previous prime is 131212213014317. The next prime is 131212213014367. The reversal of 131212213014320 is 23410312212131.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 131212213014320.

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, 500226242 + ... + 500488478.

Almost surely, 2^{131212213014320} is an apocalyptic number.

131212213014320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131212213014320 is an abundant number, since it is smaller than the sum of its proper divisors (183699859918288).

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

131212213014320 is a wasteful number, since it uses less digits than its factorization.

131212213014320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464038 (or 464032 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 131212213014320 its reverse (23410312212131), we get a palindrome (154622525226451).

The spelling of 131212213014320 in words is "one hundred thirty-one trillion, two hundred twelve billion, two hundred thirteen million, fourteen thousand, three hundred twenty".