212473772 has 12 divisors (see below), whose sum is σ = 424947600. Its totient is φ = 91060176.

The previous prime is 212473741. The next prime is 212473799. The reversal of 212473772 is 277374212.

212473772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

212473772 is an admirable 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, 3794147 + ... + 3794202.

It is an arithmetic number, because the mean of its divisors is an integer number (35412300).

Almost surely, 2^212473772 is an apocalyptic number.

It is an amenable number.

212473772 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

212473772 is a wasteful number, since it uses less digits than its factorization.

212473772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7588360 (or 7588358 counting only the distinct ones).

The product of its digits is 32928, while the sum is 35.

The square root of 212473772 is about 14576.4800963744. The cubic root of 212473772 is about 596.7170438342.

The spelling of 212473772 in words is "two hundred twelve million, four hundred seventy-three thousand, seven hundred seventy-two".