12400037061620 has 48 divisors (see below), whose sum is σ = 28077739713408. Its totient is φ = 4572829676160.

The previous prime is 12400037061619. The next prime is 12400037061623. The reversal of 12400037061620 is 2616073000421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12400037061623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29192624 + ... + 29614343.

It is an arithmetic number, because the mean of its divisors is an integer number (584952910696).

Almost surely, 2^{12400037061620} is an apocalyptic number.

12400037061620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12400037061620 is an abundant number, since it is smaller than the sum of its proper divisors (15677702651788).

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

12400037061620 is a wasteful number, since it uses less digits than its factorization.

12400037061620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58807800 (or 58807798 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The spelling of 12400037061620 in words is "twelve trillion, four hundred billion, thirty-seven million, sixty-one thousand, six hundred twenty".