12546035673820 has 96 divisors (see below), whose sum is σ = 30600660033216. Its totient is φ = 4270107340800.

The previous prime is 12546035673811. The next prime is 12546035673883. The reversal of 12546035673820 is 2837653064521.

It is a super-2 number, since 2×12546035673820² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8589787 + ... + 9943666.

It is an arithmetic number, because the mean of its divisors is an integer number (318756875346).

Almost surely, 2^{12546035673820} is an apocalyptic number.

12546035673820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12546035673820 is an abundant number, since it is smaller than the sum of its proper divisors (18054624359396).

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

12546035673820 is a wasteful number, since it uses less digits than its factorization.

12546035673820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18533671 (or 18533669 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 12546035673820 in words is "twelve trillion, five hundred forty-six billion, thirty-five million, six hundred seventy-three thousand, eight hundred twenty".