12040757521420 has 24 divisors (see below), whose sum is σ = 25285804853904. Its totient is φ = 4816262235456.

The previous prime is 12040757521391. The next prime is 12040757521433. The reversal of 12040757521420 is 2412575704021.

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, 67882 + ... + 4907761.

It is an arithmetic number, because the mean of its divisors is an integer number (1053575202246).

Almost surely, 2^{12040757521420} is an apocalyptic number.

12040757521420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12040757521420 is an abundant number, since it is smaller than the sum of its proper divisors (13245047332484).

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

12040757521420 is a wasteful number, since it uses less digits than its factorization.

12040757521420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5096649 (or 5096647 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 40.

The spelling of 12040757521420 in words is "twelve trillion, forty billion, seven hundred fifty-seven million, five hundred twenty-one thousand, four hundred twenty".