1213010331102 has 24 divisors (see below), whose sum is σ = 2630224878840. Its totient is φ = 404023572720.

The previous prime is 1213010331101. The next prime is 1213010331131. The reversal of 1213010331102 is 2011330103121.

1213010331102 is a `hidden beast` number, since 1 + 21 + 301 + 0 + 331 + 10 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213010331101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26076477 + ... + 26122952.

It is an arithmetic number, because the mean of its divisors is an integer number (109592703285).

Almost surely, 2^{1213010331102} is an apocalyptic number.

1213010331102 is an abundant number, since it is smaller than the sum of its proper divisors (1417214547738).

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

1213010331102 is a wasteful number, since it uses less digits than its factorization.

1213010331102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52200728 (or 52200725 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1213010331102 its reverse (2011330103121), we get a palindrome (3224340434223).

The spelling of 1213010331102 in words is "one trillion, two hundred thirteen billion, ten million, three hundred thirty-one thousand, one hundred two".