212074992 has 30 divisors (see below), whose sum is σ = 593515832. Its totient is φ = 70691616.

The previous prime is 212074981. The next prime is 212074997. The reversal of 212074992 is 299470212.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212074997) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 736228 + ... + 736515.

Almost surely, 2^212074992 is an apocalyptic number.

It is an amenable number.

212074992 is an abundant number, since it is smaller than the sum of its proper divisors (381440840).

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

212074992 is a wasteful number, since it uses less digits than its factorization.

212074992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472757 (or 1472748 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 212074992 is about 14562.7947867159. The cubic root of 212074992 is about 596.3434952209.

The spelling of 212074992 in words is "two hundred twelve million, seventy-four thousand, nine hundred ninety-two".