212618416 has 20 divisors (see below), whose sum is σ = 415801512. Its totient is φ = 105314816.

The previous prime is 212618387. The next prime is 212618443. The reversal of 212618416 is 614816212.

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, 60385 + ... + 63808.

Almost surely, 2^212618416 is an apocalyptic number.

It is an amenable number.

212618416 is a deficient number, since it is larger than the sum of its proper divisors (203183096).

212618416 is a wasteful number, since it uses less digits than its factorization.

212618416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124308 (or 124302 counting only the distinct ones).

The product of its digits is 4608, while the sum is 31.

The square root of 212618416 is about 14581.4408067241. The cubic root of 212618416 is about 596.8524204830.

The spelling of 212618416 in words is "two hundred twelve million, six hundred eighteen thousand, four hundred sixteen".