120122130321 has 6 divisors (see below), whose sum is σ = 173509743810. Its totient is φ = 80081420208.

The previous prime is 120122130301. The next prime is 120122130341. The reversal of 120122130321 is 123031221021.

120122130321 is a `hidden beast` number, since 120 + 1 + 221 + 3 + 0 + 321 = 666.

It is an interprime number because it is at equal distance from previous prime (120122130301) and next prime (120122130341).

It can be written as a sum of positive squares in only one way, i.e., 113628993921 + 6493136400 = 337089^2 + 80580^2 .

It is not a de Polignac number, because 120122130321 - 2¹³ = 120122122129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120122130294 and 120122130303.

It is not an unprimeable number, because it can be changed into a prime (120122130301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6673451676 + ... + 6673451693.

It is an arithmetic number, because the mean of its divisors is an integer number (28918290635).

Almost surely, 2^120122130321 is an apocalyptic number.

It is an amenable number.

120122130321 is a deficient number, since it is larger than the sum of its proper divisors (53387613489).

120122130321 is a wasteful number, since it uses less digits than its factorization.

120122130321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13346903375 (or 13346903372 counting only the distinct ones).

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

Adding to 120122130321 its reverse (123031221021), we get a palindrome (243153351342).

The spelling of 120122130321 in words is "one hundred twenty billion, one hundred twenty-two million, one hundred thirty thousand, three hundred twenty-one".