1213203133110 has 16 divisors (see below), whose sum is σ = 2911687519536. Its totient is φ = 323520835488.

The previous prime is 1213203133099. The next prime is 1213203133193. The reversal of 1213203133110 is 113313023121.

It is a happy number.

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, 20220052189 + ... + 20220052248.

It is an arithmetic number, because the mean of its divisors is an integer number (181980469971).

Almost surely, 2^{1213203133110} is an apocalyptic number.

1213203133110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213203133110 is an abundant number, since it is smaller than the sum of its proper divisors (1698484386426).

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

1213203133110 is a wasteful number, since it uses less digits than its factorization.

1213203133110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40440104447.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1213203133110 its reverse (113313023121), we get a palindrome (1326516156231).

The spelling of 1213203133110 in words is "one trillion, two hundred thirteen billion, two hundred three million, one hundred thirty-three thousand, one hundred ten".