212232121292 has 24 divisors (see below), whose sum is σ = 376142592000. Its totient is φ = 104763059856.

The previous prime is 212232121271. The next prime is 212232121337. The reversal of 212232121292 is 292121232212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4324709 + ... + 4373507.

It is an arithmetic number, because the mean of its divisors is an integer number (15672608000).

Almost surely, 2^212232121292 is an apocalyptic number.

It is an amenable number.

212232121292 is a deficient number, since it is larger than the sum of its proper divisors (163910470708).

212232121292 is a wasteful number, since it uses less digits than its factorization.

212232121292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62645 (or 62643 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The spelling of 212232121292 in words is "two hundred twelve billion, two hundred thirty-two million, one hundred twenty-one thousand, two hundred ninety-two".