130121032220 has 24 divisors (see below), whose sum is σ = 287635966800. Its totient is φ = 49309022592.

The previous prime is 130121032219. The next prime is 130121032343. The reversal of 130121032220 is 22230121031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171211505 + ... + 171212264.

It is an arithmetic number, because the mean of its divisors is an integer number (11984831950).

Almost surely, 2^130121032220 is an apocalyptic number.

130121032220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130121032220 is an abundant number, since it is smaller than the sum of its proper divisors (157514934580).

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

130121032220 is a wasteful number, since it uses less digits than its factorization.

130121032220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342423797 (or 342423795 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 130121032220 its reverse (22230121031), we get a palindrome (152351153251).

The spelling of 130121032220 in words is "one hundred thirty billion, one hundred twenty-one million, thirty-two thousand, two hundred twenty".