387012172250 has 32 divisors (see below), whose sum is σ = 790349227200. Its totient is φ = 140731698000.

The previous prime is 387012172229. The next prime is 387012172271. The reversal of 387012172250 is 52271210783.

It is an interprime number because it is at equal distance from previous prime (387012172229) and next prime (387012172271).

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, 70363100 + ... + 70368599.

It is an arithmetic number, because the mean of its divisors is an integer number (24698413350).

Almost surely, 2^387012172250 is an apocalyptic number.

387012172250 is an abundant number, since it is smaller than the sum of its proper divisors (403337054950).

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

387012172250 is a wasteful number, since it uses less digits than its factorization.

387012172250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140731727 (or 140731717 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 38.

The spelling of 387012172250 in words is "three hundred eighty-seven billion, twelve million, one hundred seventy-two thousand, two hundred fifty".