618334212 has 12 divisors (see below), whose sum is σ = 1442779856. Its totient is φ = 206111400.

The previous prime is 618334207. The next prime is 618334237. The reversal of 618334212 is 212433816.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 618334212.

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, 25763914 + ... + 25763937.

Almost surely, 2^618334212 is an apocalyptic number.

It is an amenable number.

618334212 is an abundant number, since it is smaller than the sum of its proper divisors (824445644).

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

618334212 is a wasteful number, since it uses less digits than its factorization.

618334212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51527858 (or 51527856 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 618334212 is about 24866.3268698857. The cubic root of 618334212 is about 851.9375463930.

The spelling of 618334212 in words is "six hundred eighteen million, three hundred thirty-four thousand, two hundred twelve".