12400840880652 has 48 divisors (see below), whose sum is σ = 33074489710080. Its totient is φ = 3542499462912.

The previous prime is 12400840880629. The next prime is 12400840880657. The reversal of 12400840880652 is 25608804800421.

12400840880652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12400840880657) 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, 11956077 + ... + 12951812.

It is an arithmetic number, because the mean of its divisors is an integer number (689051868960).

Almost surely, 2^{12400840880652} is an apocalyptic number.

12400840880652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12400840880652 is an abundant number, since it is smaller than the sum of its proper divisors (20673648829428).

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

12400840880652 is a wasteful number, since it uses less digits than its factorization.

12400840880652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24913830 (or 24913828 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 48.

The spelling of 12400840880652 in words is "twelve trillion, four hundred billion, eight hundred forty million, eight hundred eighty thousand, six hundred fifty-two".