120312344421 has 6 divisors (see below), whose sum is σ = 173784497510. Its totient is φ = 80208229608.

The previous prime is 120312344389. The next prime is 120312344423. The reversal of 120312344421 is 124443213021.

120312344421 is a `hidden beast` number, since 1 + 2 + 0 + 3 + 1 + 234 + 4 + 421 = 666.

It can be written as a sum of positive squares in only one way, i.e., 80346737025 + 39965607396 = 283455^2 + 199914^2 .

It is not a de Polignac number, because 120312344421 - 2⁵ = 120312344389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120312344423) 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, 6684019126 + ... + 6684019143.

Almost surely, 2^120312344421 is an apocalyptic number.

It is an amenable number.

120312344421 is a deficient number, since it is larger than the sum of its proper divisors (53472153089).

120312344421 is a wasteful number, since it uses less digits than its factorization.

120312344421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13368038275 (or 13368038272 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 120312344421 its reverse (124443213021), we get a palindrome (244755557442).

The spelling of 120312344421 in words is "one hundred twenty billion, three hundred twelve million, three hundred forty-four thousand, four hundred twenty-one".