1220120132130 has 48 divisors (see below), whose sum is σ = 3177538700544. Its totient is φ = 324829332000.

The previous prime is 1220120132113. The next prime is 1220120132167. The reversal of 1220120132130 is 312310210221.

1220120132130 is a `hidden beast` number, since 1 + 220 + 120 + 1 + 321 + 3 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11112496 + ... + 11221755.

It is an arithmetic number, because the mean of its divisors is an integer number (66198722928).

Almost surely, 2^{1220120132130} is an apocalyptic number.

1220120132130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220120132130 is an abundant number, since it is smaller than the sum of its proper divisors (1957418568414).

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

1220120132130 is a wasteful number, since it uses less digits than its factorization.

1220120132130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22334871 (or 22334868 counting only the distinct ones).

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

Adding to 1220120132130 its reverse (312310210221), we get a palindrome (1532430342351).

The spelling of 1220120132130 in words is "one trillion, two hundred twenty billion, one hundred twenty million, one hundred thirty-two thousand, one hundred thirty".