12612425155440 has 120 divisors (see below), whose sum is σ = 42976057054224. Its totient is φ = 3057557606400.

The previous prime is 12612425155397. The next prime is 12612425155459. The reversal of 12612425155440 is 4455152421621.

12612425155440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

It is a junction number, because it is equal to n+sod(n) for n = 12612425155392 and 12612425155401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 217127041 + ... + 217185120.

Almost surely, 2^{12612425155440} is an apocalyptic number.

12612425155440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12612425155440 is an abundant number, since it is smaller than the sum of its proper divisors (30363631898784).

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

12612425155440 is a wasteful number, since it uses less digits than its factorization.

12612425155440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434312199 (or 434312182 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 42.

The spelling of 12612425155440 in words is "twelve trillion, six hundred twelve billion, four hundred twenty-five million, one hundred fifty-five thousand, four hundred forty".