12012019102 has 8 divisors (see below), whose sum is σ = 18177480576. Its totient is φ = 5952858912.

The previous prime is 12012019087. The next prime is 12012019109. The reversal of 12012019102 is 20191021021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12012019102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012019109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26575038 + ... + 26575489.

It is an arithmetic number, because the mean of its divisors is an integer number (2272185072).

Almost surely, 2^12012019102 is an apocalyptic number.

12012019102 is a deficient number, since it is larger than the sum of its proper divisors (6165461474).

12012019102 is a wasteful number, since it uses less digits than its factorization.

12012019102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53150642.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 12012019102 in words is "twelve billion, twelve million, nineteen thousand, one hundred two".