120121302002 has 16 divisors (see below), whose sum is σ = 194704375320. Its totient is φ = 55251380352.

The previous prime is 120121301957. The next prime is 120121302013. The reversal of 120121302002 is 200203121021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 116594248681 + 3527053321 = 341459^2 + 59389^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7876427 + ... + 7891662.

Almost surely, 2^120121302002 is an apocalyptic number.

120121302002 is a deficient number, since it is larger than the sum of its proper divisors (74583073318).

120121302002 is a wasteful number, since it uses less digits than its factorization.

120121302002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15768397.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 120121302002 its reverse (200203121021), we get a palindrome (320324423023).

The spelling of 120121302002 in words is "one hundred twenty billion, one hundred twenty-one million, three hundred two thousand, two".