12020012102 has 16 divisors (see below), whose sum is σ = 20703397632. Its totient is φ = 5127018120.

The previous prime is 12020012101. The next prime is 12020012113. The reversal of 12020012102 is 20121002021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020012101) 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, 2031578 + ... + 2037485.

It is an arithmetic number, because the mean of its divisors is an integer number (1293962352).

Almost surely, 2^12020012102 is an apocalyptic number.

12020012102 is a deficient number, since it is larger than the sum of its proper divisors (8683385530).

12020012102 is a wasteful number, since it uses less digits than its factorization.

12020012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4069283.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12020012102 its reverse (20121002021), we get a palindrome (32141014123).

The spelling of 12020012102 in words is "twelve billion, twenty million, twelve thousand, one hundred two".