212938972 has 6 divisors (see below), whose sum is σ = 372643208. Its totient is φ = 106469484.

The previous prime is 212938961. The next prime is 212938987. The reversal of 212938972 is 279839212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26617368 + ... + 26617375.

Almost surely, 2^212938972 is an apocalyptic number.

It is an amenable number.

212938972 is a deficient number, since it is larger than the sum of its proper divisors (159704236).

212938972 is a wasteful number, since it uses less digits than its factorization.

212938972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53234747 (or 53234745 counting only the distinct ones).

The product of its digits is 108864, while the sum is 43.

The square root of 212938972 is about 14592.4285847147. The cubic root of 212938972 is about 597.1522197788.

The spelling of 212938972 in words is "two hundred twelve million, nine hundred thirty-eight thousand, nine hundred seventy-two".