212933124428 has 24 divisors (see below), whose sum is σ = 388069542000. Its totient is φ = 102105391808.

The previous prime is 212933124421. The next prime is 212933124463. The reversal of 212933124428 is 824421339212.

It is not an unprimeable number, because it can be changed into a prime (212933124421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6142550 + ... + 6177117.

It is an arithmetic number, because the mean of its divisors is an integer number (16169564250).

Almost surely, 2^212933124428 is an apocalyptic number.

It is an amenable number.

212933124428 is a deficient number, since it is larger than the sum of its proper divisors (175136417572).

212933124428 is a wasteful number, since it uses less digits than its factorization.

212933124428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12319849 (or 12319847 counting only the distinct ones).

The product of its digits is 165888, while the sum is 41.

The spelling of 212933124428 in words is "two hundred twelve billion, nine hundred thirty-three million, one hundred twenty-four thousand, four hundred twenty-eight".