12101011197 has 48 divisors (see below), whose sum is σ = 17939193216. Its totient is φ = 7249968000.

The previous prime is 12101011193. The next prime is 12101011199. The reversal of 12101011197 is 79111010121.

It is not a de Polignac number, because 12101011197 - 2² = 12101011193 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101011193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15182803 + ... + 15183599.

It is an arithmetic number, because the mean of its divisors is an integer number (373733192).

Almost surely, 2^12101011197 is an apocalyptic number.

It is an amenable number.

12101011197 is a deficient number, since it is larger than the sum of its proper divisors (5838182019).

12101011197 is a wasteful number, since it uses less digits than its factorization.

12101011197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250 (or 1239 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 24.

The spelling of 12101011197 in words is "twelve billion, one hundred one million, eleven thousand, one hundred ninety-seven".