1213201230102 has 24 divisors (see below), whose sum is σ = 2634701528160. Its totient is φ = 403462123440.

The previous prime is 1213201230089. The next prime is 1213201230113. The reversal of 1213201230102 is 2010321023121.

1213201230102 is a `hidden beast` number, since 12 + 1 + 320 + 1 + 230 + 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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78182577 + ... + 78198092.

It is an arithmetic number, because the mean of its divisors is an integer number (109779230340).

Almost surely, 2^{1213201230102} is an apocalyptic number.

1213201230102 is an abundant number, since it is smaller than the sum of its proper divisors (1421500298058).

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

1213201230102 is a wasteful number, since it uses less digits than its factorization.

1213201230102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156381108 (or 156381105 counting only the distinct ones).

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

Adding to 1213201230102 its reverse (2010321023121), we get a palindrome (3223522253223).

The spelling of 1213201230102 in words is "one trillion, two hundred thirteen billion, two hundred one million, two hundred thirty thousand, one hundred two".