87230012 has 12 divisors (see below), whose sum is σ = 154492296. Its totient is φ = 43089360.

The previous prime is 87229973. The next prime is 87230021. The reversal of 87230012 is 21003278.

It is a self number, because there is not a number n which added to its sum of digits gives 87230012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131039 + ... + 131702.

It is an arithmetic number, because the mean of its divisors is an integer number (12874358).

Almost surely, 2^87230012 is an apocalyptic number.

It is an amenable number.

87230012 is a deficient number, since it is larger than the sum of its proper divisors (67262284).

87230012 is a wasteful number, since it uses less digits than its factorization.

87230012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262828 (or 262826 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 87230012 is about 9339.7008517404. The cubic root of 87230012 is about 443.4949143744.

It can be divided in two parts, 872300 and 12, that multiplied together give a triangular number (10467600 = T₄₅₇₅).

The spelling of 87230012 in words is "eighty-seven million, two hundred thirty thousand, twelve".