1213520414202 has 64 divisors (see below), whose sum is σ = 2755272222720. Its totient is φ = 395792222400.

The previous prime is 1213520414201. The next prime is 1213520414213. The reversal of 1213520414202 is 2024140253121.

1213520414202 is a `hidden beast` number, since 1 + 2 + 1 + 35 + 204 + 1 + 420 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1213520414201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 335253 + ... + 1593560.

It is an arithmetic number, because the mean of its divisors is an integer number (43051128480).

Almost surely, 2^{1213520414202} is an apocalyptic number.

1213520414202 is an abundant number, since it is smaller than the sum of its proper divisors (1541751808518).

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

1213520414202 is a wasteful number, since it uses less digits than its factorization.

1213520414202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929076 (or 1929070 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 1213520414202 its reverse (2024140253121), we get a palindrome (3237660667323).

The spelling of 1213520414202 in words is "one trillion, two hundred thirteen billion, five hundred twenty million, four hundred fourteen thousand, two hundred two".