12770247891936 has 96 divisors (see below), whose sum is σ = 34680120118560. Its totient is φ = 4109693220864.

The previous prime is 12770247891913. The next prime is 12770247891941. The reversal of 12770247891936 is 63919874207721.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

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, 44325246 + ... + 44612418.

It is an arithmetic number, because the mean of its divisors is an integer number (361251251235).

Almost surely, 2^{12770247891936} is an apocalyptic number.

12770247891936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12770247891936 is an abundant number, since it is smaller than the sum of its proper divisors (21909872226624).

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

12770247891936 is a wasteful number, since it uses less digits than its factorization.

12770247891936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303188 (or 303180 counting only the distinct ones).

The product of its (nonzero) digits is 64012032, while the sum is 66.

The spelling of 12770247891936 in words is "twelve trillion, seven hundred seventy billion, two hundred forty-seven million, eight hundred ninety-one thousand, nine hundred thirty-six".