212919725 has 12 divisors (see below), whose sum is σ = 264227136. Its totient is φ = 170202480.

The previous prime is 212919701. The next prime is 212919737. The reversal of 212919725 is 527919212.

It is not a de Polignac number, because 212919725 - 2¹⁰ = 212918701 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40604 + ... + 45546.

It is an arithmetic number, because the mean of its divisors is an integer number (22018928).

Almost surely, 2^212919725 is an apocalyptic number.

212919725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

212919725 is a deficient number, since it is larger than the sum of its proper divisors (51307411).

212919725 is a wasteful number, since it uses less digits than its factorization.

212919725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6676 (or 6671 counting only the distinct ones).

The product of its digits is 22680, while the sum is 38.

The square root of 212919725 is about 14591.7690839733. The cubic root of 212919725 is about 597.1342275579.

The spelling of 212919725 in words is "two hundred twelve million, nine hundred nineteen thousand, seven hundred twenty-five".