120051210051 has 16 divisors (see below), whose sum is σ = 177880213120. Its totient is φ = 80022184200.

The previous prime is 120051210047. The next prime is 120051210119. The reversal of 120051210051 is 150012150021.

120051210051 is a `hidden beast` number, since 1 + 2 + 0 + 0 + 512 + 100 + 51 = 666.

It is not a de Polignac number, because 120051210051 - 2² = 120051210047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120051210001) 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, 146125 + ... + 511326.

It is an arithmetic number, because the mean of its divisors is an integer number (11117513320).

Almost surely, 2^120051210051 is an apocalyptic number.

120051210051 is a deficient number, since it is larger than the sum of its proper divisors (57829003069).

120051210051 is an equidigital number, since it uses as much as digits as its factorization.

120051210051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664223 (or 664217 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

Adding to 120051210051 its reverse (150012150021), we get a palindrome (270063360072).

The spelling of 120051210051 in words is "one hundred twenty billion, fifty-one million, two hundred ten thousand, fifty-one".