12120012102 has 16 divisors (see below), whose sum is σ = 26443662912. Its totient is φ = 3672730920.

The previous prime is 12120012077. The next prime is 12120012119. The reversal of 12120012102 is 20121002121.

It is a congruent number.

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, 91818208 + ... + 91818339.

It is an arithmetic number, because the mean of its divisors is an integer number (1652728932).

Almost surely, 2^12120012102 is an apocalyptic number.

12120012102 is an abundant number, since it is smaller than the sum of its proper divisors (14323650810).

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

12120012102 is a wasteful number, since it uses less digits than its factorization.

12120012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183636563.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12120012102 its reverse (20121002121), we get a palindrome (32241014223).

The spelling of 12120012102 in words is "twelve billion, one hundred twenty million, twelve thousand, one hundred two".