3120020121202 has 4 divisors (see below), whose sum is σ = 4680030181806. Its totient is φ = 1560010060600.

The previous prime is 3120020121149. The next prime is 3120020121223. The reversal of 3120020121202 is 2021210200213.

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., 3093444274761 + 26575846441 = 1758819^2 + 163021^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 780005030299 + ... + 780005030302.

Almost surely, 2^{3120020121202} is an apocalyptic number.

3120020121202 is a deficient number, since it is larger than the sum of its proper divisors (1560010060604).

3120020121202 is a wasteful number, since it uses less digits than its factorization.

3120020121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560010060603.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 3120020121202 its reverse (2021210200213), we get a palindrome (5141230321415).

The spelling of 3120020121202 in words is "three trillion, one hundred twenty billion, twenty million, one hundred twenty-one thousand, two hundred two".