1231420120130 has 16 divisors (see below), whose sum is σ = 2333217070080. Its totient is φ = 466643413872.

The previous prime is 1231420120109. The next prime is 1231420120163. The reversal of 1231420120130 is 310210241321.

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, 3240579074 + ... + 3240579453.

It is an arithmetic number, because the mean of its divisors is an integer number (145826066880).

Almost surely, 2^{1231420120130} is an apocalyptic number.

1231420120130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231420120130 is a deficient number, since it is larger than the sum of its proper divisors (1101796949950).

1231420120130 is a wasteful number, since it uses less digits than its factorization.

1231420120130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6481158553.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1231420120130 its reverse (310210241321), we get a palindrome (1541630361451).

The spelling of 1231420120130 in words is "one trillion, two hundred thirty-one billion, four hundred twenty million, one hundred twenty thousand, one hundred thirty".