1213113100232 has 32 divisors (see below), whose sum is σ = 2484184399200. Its totient is φ = 550789113600.

The previous prime is 1213113100223. The next prime is 1213113100259. The reversal of 1213113100232 is 2320013113121.

It is a happy number.

It is a super-3 number, since 3×1213113100232³ (a number of 37 digits) contains 333 as substring.

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, 7746182 + ... + 7901237.

It is an arithmetic number, because the mean of its divisors is an integer number (77630762475).

Almost surely, 2^{1213113100232} is an apocalyptic number.

It is an amenable number.

1213113100232 is an abundant number, since it is smaller than the sum of its proper divisors (1271071298968).

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

1213113100232 is a wasteful number, since it uses less digits than its factorization.

1213113100232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15648317 (or 15648313 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1213113100232 its reverse (2320013113121), we get a palindrome (3533126213353).

The spelling of 1213113100232 in words is "one trillion, two hundred thirteen billion, one hundred thirteen million, one hundred thousand, two hundred thirty-two".