3102120012 has 24 divisors (see below), whose sum is σ = 7243880112. Its totient is φ = 1033240000.

The previous prime is 3102120011. The next prime is 3102120017. The reversal of 3102120012 is 2100212013.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 3102120012.

It is not an unprimeable number, because it can be changed into a prime (3102120011) 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, 83739 + ... + 114962.

It is an arithmetic number, because the mean of its divisors is an integer number (301828338).

Almost surely, 2^3102120012 is an apocalyptic number.

It is an amenable number.

3102120012 is an abundant number, since it is smaller than the sum of its proper divisors (4141760100).

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

3102120012 is a wasteful number, since it uses less digits than its factorization.

3102120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200009 (or 200007 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 3102120012 is about 55696.6786442423. The cubic root of 3102120012 is about 1458.4320459926.

Adding to 3102120012 its reverse (2100212013), we get a palindrome (5202332025).

The spelling of 3102120012 in words is "three billion, one hundred two million, one hundred twenty thousand, twelve".