1213133212210 has 48 divisors (see below), whose sum is σ = 2284180851456. Its totient is φ = 463855940064.

The previous prime is 1213133212201. The next prime is 1213133212229. The reversal of 1213133212210 is 122123313121.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8216257 + ... + 8362603.

It is an arithmetic number, because the mean of its divisors is an integer number (47587101072).

Almost surely, 2^{1213133212210} is an apocalyptic number.

1213133212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213133212210 is a deficient number, since it is larger than the sum of its proper divisors (1071047639246).

1213133212210 is a wasteful number, since it uses less digits than its factorization.

1213133212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147967 (or 147944 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1213133212210 its reverse (122123313121), we get a palindrome (1335256525331).

The spelling of 1213133212210 in words is "one trillion, two hundred thirteen billion, one hundred thirty-three million, two hundred twelve thousand, two hundred ten".