1220013130120 has 32 divisors (see below), whose sum is σ = 2839685736600. Its totient is φ = 471177484288.

The previous prime is 1220013130093. The next prime is 1220013130159. The reversal of 1220013130120 is 210313100221.

It can be written as a sum of positive squares in 4 ways, for example, as 1113881824836 + 106131305284 = 1055406^2 + 325778^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1220013130094 and 1220013130103.

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, 525866569 + ... + 525868888.

Almost surely, 2^{1220013130120} is an apocalyptic number.

1220013130120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220013130120 is an abundant number, since it is smaller than the sum of its proper divisors (1619672606480).

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

1220013130120 is a wasteful number, since it uses less digits than its factorization.

1220013130120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051735497 (or 1051735493 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1220013130120 its reverse (210313100221), we get a palindrome (1430326230341).

The spelling of 1220013130120 in words is "one trillion, two hundred twenty billion, thirteen million, one hundred thirty thousand, one hundred twenty".