1212931038 has 16 divisors (see below), whose sum is σ = 2646395136. Its totient is φ = 367554840.

The previous prime is 1212931019. The next prime is 1212931043. The reversal of 1212931038 is 8301392121.

It is a junction number, because it is equal to n+sod(n) for n = 1212930996 and 1212931014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9188806 + ... + 9188937.

It is an arithmetic number, because the mean of its divisors is an integer number (165399696).

Almost surely, 2^1212931038 is an apocalyptic number.

1212931038 is an abundant number, since it is smaller than the sum of its proper divisors (1433464098).

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

1212931038 is a wasteful number, since it uses less digits than its factorization.

1212931038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18377759.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 1212931038 is about 34827.1594879628. The cubic root of 1212931038 is about 1066.4619618676.

The spelling of 1212931038 in words is "one billion, two hundred twelve million, nine hundred thirty-one thousand, thirty-eight".