212479976 has 16 divisors (see below), whose sum is σ = 399025440. Its totient is φ = 106073200.

The previous prime is 212479973. The next prime is 212479979. The reversal of 212479976 is 679974212.

It is an interprime number because it is at equal distance from previous prime (212479973) and next prime (212479979).

It is a self number, because there is not a number n which added to its sum of digits gives 212479976.

It is not an unprimeable number, because it can be changed into a prime (212479973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15350 + ... + 25701.

It is an arithmetic number, because the mean of its divisors is an integer number (24939090).

Almost surely, 2^212479976 is an apocalyptic number.

It is an amenable number.

212479976 is a deficient number, since it is larger than the sum of its proper divisors (186545464).

212479976 is a wasteful number, since it uses less digits than its factorization.

212479976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41704 (or 41700 counting only the distinct ones).

The product of its digits is 381024, while the sum is 47.

The square root of 212479976 is about 14576.6929033989. The cubic root of 212479976 is about 596.7228516044.

The spelling of 212479976 in words is "two hundred twelve million, four hundred seventy-nine thousand, nine hundred seventy-six".