1213312200102 has 48 divisors (see below), whose sum is σ = 2632025290752. Its totient is φ = 403948139760.

The previous prime is 1213312200097. The next prime is 1213312200127. The reversal of 1213312200102 is 2010022133121.

1213312200102 is a `hidden beast` number, since 12 + 1 + 331 + 220 + 0 + 102 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54972073 + ... + 54994139.

It is an arithmetic number, because the mean of its divisors is an integer number (54833860224).

Almost surely, 2^{1213312200102} is an apocalyptic number.

1213312200102 is an abundant number, since it is smaller than the sum of its proper divisors (1418713090650).

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

1213312200102 is a wasteful number, since it uses less digits than its factorization.

1213312200102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25633 (or 25630 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1213312200102 its reverse (2010022133121), we get a palindrome (3223334333223).

The spelling of 1213312200102 in words is "one trillion, two hundred thirteen billion, three hundred twelve million, two hundred thousand, one hundred two".