120311244136 has 32 divisors (see below), whose sum is σ = 251424432000. Its totient is φ = 53637209856.

The previous prime is 120311244133. The next prime is 120311244161. The reversal of 120311244136 is 631442113021.

It is not an unprimeable number, because it can be changed into a prime (120311244133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23277456 + ... + 23282623.

It is an arithmetic number, because the mean of its divisors is an integer number (7857013500).

Almost surely, 2^120311244136 is an apocalyptic number.

It is an amenable number.

120311244136 is an abundant number, since it is smaller than the sum of its proper divisors (131113187864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120311244136 is a wasteful number, since it uses less digits than its factorization.

120311244136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46560121 (or 46560117 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 120311244136 its reverse (631442113021), we get a palindrome (751753357157).

The spelling of 120311244136 in words is "one hundred twenty billion, three hundred eleven million, two hundred forty-four thousand, one hundred thirty-six".