212208650 has 24 divisors (see below), whose sum is σ = 395480640. Its totient is φ = 84717360.

The previous prime is 212208643. The next prime is 212208677. The reversal of 212208650 is 56802212.

It is a super-2 number, since 2×212208650² = 90065022269645000, which contains 22 as substring.

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, 23471 + ... + 31229.

It is an arithmetic number, because the mean of its divisors is an integer number (16478360).

Almost surely, 2^212208650 is an apocalyptic number.

212208650 is a deficient number, since it is larger than the sum of its proper divisors (183271990).

212208650 is a wasteful number, since it uses less digits than its factorization.

212208650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8318 (or 8313 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 212208650 is about 14567.3830868828. The cubic root of 212208650 is about 596.4687486189.

The spelling of 212208650 in words is "two hundred twelve million, two hundred eight thousand, six hundred fifty".