12121366196 has 12 divisors (see below), whose sum is σ = 21258407940. Its totient is φ = 6047535360.

The previous prime is 12121366139. The next prime is 12121366267. The reversal of 12121366196 is 69166312121.

It can be written as a sum of positive squares in 2 ways, for example, as 2158531600 + 9962834596 = 46460^2 + 99814^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3284861 + ... + 3288548.

It is an arithmetic number, because the mean of its divisors is an integer number (1771533995).

Almost surely, 2^12121366196 is an apocalyptic number.

It is an amenable number.

12121366196 is a deficient number, since it is larger than the sum of its proper divisors (9137041744).

12121366196 is a wasteful number, since it uses less digits than its factorization.

12121366196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6573874 (or 6573872 counting only the distinct ones).

The product of its digits is 23328, while the sum is 38.

The spelling of 12121366196 in words is "twelve billion, one hundred twenty-one million, three hundred sixty-six thousand, one hundred ninety-six".