12101221196 has 24 divisors (see below), whose sum is σ = 22472432640. Its totient is φ = 5689444112.

The previous prime is 12101221193. The next prime is 12101221199. The reversal of 12101221196 is 69112210121.

It is an interprime number because it is at equal distance from previous prime (12101221193) and next prime (12101221199).

It is not an unprimeable number, because it can be changed into a prime (12101221193) 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, 1109276 + ... + 1120131.

It is an arithmetic number, because the mean of its divisors is an integer number (936351360).

Almost surely, 2^12101221196 is an apocalyptic number.

It is an amenable number.

12101221196 is a deficient number, since it is larger than the sum of its proper divisors (10371211444).

12101221196 is a wasteful number, since it uses less digits than its factorization.

12101221196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229493 (or 2229491 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 26.

The spelling of 12101221196 in words is "twelve billion, one hundred one million, two hundred twenty-one thousand, one hundred ninety-six".