212150715 has 32 divisors (see below), whose sum is σ = 396195840. Its totient is φ = 94917504.

The previous prime is 212150683. The next prime is 212150753. The reversal of 212150715 is 517051212.

It is not a de Polignac number, because 212150715 - 2⁵ = 212150683 is a prime.

It is a super-2 number, since 2×212150715² = 90015851750022450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16560 + ... + 26429.

It is an arithmetic number, because the mean of its divisors is an integer number (12381120).

Almost surely, 2^212150715 is an apocalyptic number.

212150715 is a deficient number, since it is larger than the sum of its proper divisors (184045125).

212150715 is a wasteful number, since it uses less digits than its factorization.

212150715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43051.

The product of its (nonzero) digits is 700, while the sum is 24.

The square root of 212150715 is about 14565.3944333822. The cubic root of 212150715 is about 596.4144631124.

The spelling of 212150715 in words is "two hundred twelve million, one hundred fifty thousand, seven hundred fifteen".