1220113530402 has 32 divisors (see below), whose sum is σ = 2633564187072. Its totient is φ = 374615640384.

The previous prime is 1220113530401. The next prime is 1220113530409. The reversal of 1220113530402 is 2040353110221.

It is not an unprimeable number, because it can be changed into a prime (1220113530401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16711413 + ... + 16784264.

It is an arithmetic number, because the mean of its divisors is an integer number (82298880846).

Almost surely, 2^{1220113530402} is an apocalyptic number.

1220113530402 is an abundant number, since it is smaller than the sum of its proper divisors (1413450656670).

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

1220113530402 is a wasteful number, since it uses less digits than its factorization.

1220113530402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33496162.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 1220113530402 its reverse (2040353110221), we get a palindrome (3260466640623).

The spelling of 1220113530402 in words is "one trillion, two hundred twenty billion, one hundred thirteen million, five hundred thirty thousand, four hundred two".