3120023121212 has 24 divisors (see below), whose sum is σ = 5781290232816. Its totient is φ = 1468228163328.

The previous prime is 3120023121211. The next prime is 3120023121311. The reversal of 3120023121212 is 2121213200213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120023121211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6492743 + ... + 6956705.

It is an arithmetic number, because the mean of its divisors is an integer number (240887093034).

Almost surely, 2^{3120023121212} is an apocalyptic number.

It is an amenable number.

3120023121212 is a deficient number, since it is larger than the sum of its proper divisors (2661267111604).

3120023121212 is a wasteful number, since it uses less digits than its factorization.

3120023121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562877 (or 562875 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 3120023121212 its reverse (2121213200213), we get a palindrome (5241236321425).

The spelling of 3120023121212 in words is "three trillion, one hundred twenty billion, twenty-three million, one hundred twenty-one thousand, two hundred twelve".