251212052423352 has 32 divisors (see below), whose sum is σ = 628201116884880. Its totient is φ = 83714552697600.

The previous prime is 251212052423329. The next prime is 251212052423377. The reversal of 251212052423352 is 253324250212152.

It is a self number, because there is not a number n which added to its sum of digits gives 251212052423352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1424791899 + ... + 1424968202.

Almost surely, 2^{251212052423352} is an apocalyptic number.

It is an amenable number.

251212052423352 is an abundant number, since it is smaller than the sum of its proper divisors (376989064461528).

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

251212052423352 is a wasteful number, since it uses less digits than its factorization.

251212052423352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2849763783 (or 2849763779 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

The spelling of 251212052423352 in words is "two hundred fifty-one trillion, two hundred twelve billion, fifty-two million, four hundred twenty-three thousand, three hundred fifty-two".