1301220112420 has 24 divisors (see below), whose sum is σ = 2748357400824. Its totient is φ = 517479442176.

The previous prime is 1301220112403. The next prime is 1301220112441. The reversal of 1301220112420 is 242110221031.

It can be written as a sum of positive squares in 4 ways, for example, as 114811190244 + 1186408922176 = 338838^2 + 1089224^2 .

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, 188034129 + ... + 188041048.

It is an arithmetic number, because the mean of its divisors is an integer number (114514891701).

Almost surely, 2^{1301220112420} is an apocalyptic number.

1301220112420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301220112420 is an abundant number, since it is smaller than the sum of its proper divisors (1447137288404).

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

1301220112420 is a wasteful number, since it uses less digits than its factorization.

1301220112420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376075359 (or 376075357 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1301220112420 its reverse (242110221031), we get a palindrome (1543330333451).

The spelling of 1301220112420 in words is "one trillion, three hundred one billion, two hundred twenty million, one hundred twelve thousand, four hundred twenty".