120122312321 has 16 divisors (see below), whose sum is σ = 135787407360. Its totient is φ = 105312327120.

The previous prime is 120122312293. The next prime is 120122312339. The reversal of 120122312321 is 123213221021.

It is not a de Polignac number, because 120122312321 - 2²² = 120118118017 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120122312293 and 120122312302.

It is not an unprimeable number, because it can be changed into a prime (120122312381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1569965 + ... + 1644698.

It is an arithmetic number, because the mean of its divisors is an integer number (8486712960).

Almost surely, 2^120122312321 is an apocalyptic number.

120122312321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120122312321 is a deficient number, since it is larger than the sum of its proper divisors (15665095039).

120122312321 is a wasteful number, since it uses less digits than its factorization.

120122312321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3214796.

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

Adding to 120122312321 its reverse (123213221021), we get a palindrome (243335533342).

The spelling of 120122312321 in words is "one hundred twenty billion, one hundred twenty-two million, three hundred twelve thousand, three hundred twenty-one".