12212838532 has 12 divisors (see below), whose sum is σ = 21378548380. Its totient is φ = 6104681856.

The previous prime is 12212838497. The next prime is 12212838553. The reversal of 12212838532 is 23583821221.

It can be written as a sum of positive squares in 2 ways, for example, as 5105674116 + 7107164416 = 71454^2 + 84304^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12212838491 and 12212838500.

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, 418473 + ... + 446704.

Almost surely, 2^12212838532 is an apocalyptic number.

It is an amenable number.

12212838532 is a deficient number, since it is larger than the sum of its proper divisors (9165709848).

12212838532 is a wasteful number, since it uses less digits than its factorization.

12212838532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868710 (or 868708 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The spelling of 12212838532 in words is "twelve billion, two hundred twelve million, eight hundred thirty-eight thousand, five hundred thirty-two".