12537773769680 has 40 divisors (see below), whose sum is σ = 29168396431272. Its totient is φ = 5012000274944.

The previous prime is 12537773769679. The next prime is 12537773769737. The reversal of 12537773769680 is 8696737773521.

12537773769680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5730642303376 + 6807131466304 = 2393876^2 + 2609048^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×12537773769680³ (a number of 40 digits) contains 333 as substring.

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, 48451919 + ... + 48709998.

Almost surely, 2^{12537773769680} is an apocalyptic number.

12537773769680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12537773769680 is an abundant number, since it is smaller than the sum of its proper divisors (16630622661592).

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

12537773769680 is a wasteful number, since it uses less digits than its factorization.

12537773769680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97163543 (or 97163537 counting only the distinct ones).

The product of its (nonzero) digits is 560105280, while the sum is 71.

The spelling of 12537773769680 in words is "twelve trillion, five hundred thirty-seven billion, seven hundred seventy-three million, seven hundred sixty-nine thousand, six hundred eighty".