120331321002 has 24 divisors (see below), whose sum is σ = 266781069984. Its totient is φ = 39177639144.

The previous prime is 120331320997. The next prime is 120331321009. The reversal of 120331321002 is 200123133021.

120331321002 is a `hidden beast` number, since 12 + 0 + 331 + 321 + 0 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (120331321009) 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 11 ways as a sum of consecutive naturals, for example, 77732638 + ... + 77734185.

It is an arithmetic number, because the mean of its divisors is an integer number (11115877916).

Almost surely, 2^120331321002 is an apocalyptic number.

120331321002 is an abundant number, since it is smaller than the sum of its proper divisors (146449748982).

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

120331321002 is a wasteful number, since it uses less digits than its factorization.

120331321002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155466874 (or 155466871 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 120331321002 its reverse (200123133021), we get a palindrome (320454454023).

The spelling of 120331321002 in words is "one hundred twenty billion, three hundred thirty-one million, three hundred twenty-one thousand, two".