1213133102312 has 32 divisors (see below), whose sum is σ = 2394408057600. Its totient is φ = 574626057984.

The previous prime is 1213133102309. The next prime is 1213133102329. The reversal of 1213133102312 is 2132013313121.

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, 6804128 + ... + 6980144.

It is an arithmetic number, because the mean of its divisors is an integer number (74825251800).

Almost surely, 2^{1213133102312} is an apocalyptic number.

It is an amenable number.

1213133102312 is a deficient number, since it is larger than the sum of its proper divisors (1181274955288).

1213133102312 is a wasteful number, since it uses less digits than its factorization.

1213133102312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221385 (or 221381 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1213133102312 its reverse (2132013313121), we get a palindrome (3345146415433).

The spelling of 1213133102312 in words is "one trillion, two hundred thirteen billion, one hundred thirty-three million, one hundred two thousand, three hundred twelve".