9912910251452 has 48 divisors (see below), whose sum is σ = 18868873430400. Its totient is φ = 4529439129600.

The previous prime is 9912910251389. The next prime is 9912910251463. The reversal of 9912910251452 is 2541520192199.

It is a self number, because there is not a number n which added to its sum of digits gives 9912910251452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55787324 + ... + 55964732.

It is an arithmetic number, because the mean of its divisors is an integer number (393101529800).

Almost surely, 2^{9912910251452} is an apocalyptic number.

It is an amenable number.

9912910251452 is a deficient number, since it is larger than the sum of its proper divisors (8955963178948).

9912910251452 is a wasteful number, since it uses less digits than its factorization.

9912910251452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188166 (or 188164 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 50.

The spelling of 9912910251452 in words is "nine trillion, nine hundred twelve billion, nine hundred ten million, two hundred fifty-one thousand, four hundred fifty-two".