212842616 has 16 divisors (see below), whose sum is σ = 456091440. Its totient is φ = 91218240.

The previous prime is 212842589. The next prime is 212842633. The reversal of 212842616 is 616248212.

It is a congruent number.

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, 1900325 + ... + 1900436.

It is an arithmetic number, because the mean of its divisors is an integer number (28505715).

Almost surely, 2^212842616 is an apocalyptic number.

It is an amenable number.

212842616 is an abundant number, since it is smaller than the sum of its proper divisors (243248824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212842616 is a wasteful number, since it uses less digits than its factorization.

212842616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3800774 (or 3800770 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The square root of 212842616 is about 14589.1266359573. The cubic root of 212842616 is about 597.0621346872.

It can be divided in two parts, 2128 and 42616, that added together give a palindrome (44744).

The spelling of 212842616 in words is "two hundred twelve million, eight hundred forty-two thousand, six hundred sixteen".