1213110232 has 16 divisors (see below), whose sum is σ = 2322977760. Its totient is φ = 593649504.

The previous prime is 1213110221. The next prime is 1213110247. The reversal of 1213110232 is 2320113121.

It is a congruent number.

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, 1612803 + ... + 1613554.

It is an arithmetic number, because the mean of its divisors is an integer number (145186110).

Almost surely, 2^1213110232 is an apocalyptic number.

It is an amenable number.

1213110232 is a deficient number, since it is larger than the sum of its proper divisors (1109867528).

1213110232 is a wasteful number, since it uses less digits than its factorization.

1213110232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3226410 (or 3226406 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1213110232 is about 34829.7320116018. The cubic root of 1213110232 is about 1066.5144776795.

Adding to 1213110232 its reverse (2320113121), we get a palindrome (3533223353).

The spelling of 1213110232 in words is "one billion, two hundred thirteen million, one hundred ten thousand, two hundred thirty-two".