120122230551 has 16 divisors (see below), whose sum is σ = 161345546880. Its totient is φ = 79490417760.

The previous prime is 120122230499. The next prime is 120122230573. The reversal of 120122230551 is 155032221021.

It is not a de Polignac number, because 120122230551 - 2¹¹ = 120122228503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120122230451) 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, 2469996 + ... + 2518158.

It is an arithmetic number, because the mean of its divisors is an integer number (10084096680).

Almost surely, 2^120122230551 is an apocalyptic number.

120122230551 is a deficient number, since it is larger than the sum of its proper divisors (41223316329).

120122230551 is a wasteful number, since it uses less digits than its factorization.

120122230551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54286.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 120122230551 its reverse (155032221021), we get a palindrome (275154451572).

The spelling of 120122230551 in words is "one hundred twenty billion, one hundred twenty-two million, two hundred thirty thousand, five hundred fifty-one".