12251346400516 has 6 divisors (see below), whose sum is σ = 21439856200910. Its totient is φ = 6125673200256.

The previous prime is 12251346400451. The next prime is 12251346400523. The reversal of 12251346400516 is 61500464315221.

It can be written as a sum of positive squares in only one way, i.e., 8271640594116 + 3979705806400 = 2876046^2 + 1994920^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1531418300061 + ... + 1531418300068.

Almost surely, 2^{12251346400516} is an apocalyptic number.

It is an amenable number.

12251346400516 is a deficient number, since it is larger than the sum of its proper divisors (9188509800394).

12251346400516 is a wasteful number, since it uses less digits than its factorization.

12251346400516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3062836600133 (or 3062836600131 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 12251346400516 in words is "twelve trillion, two hundred fifty-one billion, three hundred forty-six million, four hundred thousand, five hundred sixteen".