251212052425120 has 48 divisors (see below), whose sum is σ = 593502243925248. Its totient is φ = 100482489529600.

The previous prime is 251212052425109. The next prime is 251212052425163. The reversal of 251212052425120 is 21524250212152.

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, 11288644 + ... + 25096963.

It is an arithmetic number, because the mean of its divisors is an integer number (12364630081776).

Almost surely, 2^{251212052425120} is an apocalyptic number.

251212052425120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

251212052425120 is an abundant number, since it is smaller than the sum of its proper divisors (342290191500128).

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

251212052425120 is a wasteful number, since it uses less digits than its factorization.

251212052425120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36428773 (or 36428765 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 34.

The spelling of 251212052425120 in words is "two hundred fifty-one trillion, two hundred twelve billion, fifty-two million, four hundred twenty-five thousand, one hundred twenty".