120312002 has 4 divisors (see below), whose sum is σ = 180468006. Its totient is φ = 60156000.

The previous prime is 120311993. The next prime is 120312007. The reversal of 120312002 is 200213021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 81884401 + 38427601 = 9049^2 + 6199^2 .

It is not an unprimeable number, because it can be changed into a prime (120312007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30077999 + ... + 30078002.

Almost surely, 2^120312002 is an apocalyptic number.

120312002 is a deficient number, since it is larger than the sum of its proper divisors (60156004).

120312002 is an equidigital number, since it uses as much as digits as its factorization.

120312002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60156003.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 120312002 is about 10968.6827832698. The cubic root of 120312002 is about 493.6695244155.

Adding to 120312002 its reverse (200213021), we get a palindrome (320525023).

The spelling of 120312002 in words is "one hundred twenty million, three hundred twelve thousand, two".