12115720002 has 16 divisors (see below), whose sum is σ = 24310373472. Its totient is φ = 4025417760.

The previous prime is 12115719997. The next prime is 12115720003. The reversal of 12115720002 is 20002751121.

It is not an unprimeable number, because it can be changed into a prime (12115720003) 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, 3286899 + ... + 3290582.

It is an arithmetic number, because the mean of its divisors is an integer number (1519398342).

Almost surely, 2^12115720002 is an apocalyptic number.

12115720002 is an abundant number, since it is smaller than the sum of its proper divisors (12194653470).

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

12115720002 is a wasteful number, since it uses less digits than its factorization.

12115720002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6577793.

The product of its (nonzero) digits is 280, while the sum is 21.

The spelling of 12115720002 in words is "twelve billion, one hundred fifteen million, seven hundred twenty thousand, two".