12001102194 has 32 divisors (see below), whose sum is σ = 24546781440. Its totient is φ = 3910608000.

The previous prime is 12001102193. The next prime is 12001102271. The reversal of 12001102194 is 49120110021.

It is a happy number.

It is a super-2 number, since 2×12001102194² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12001102194.

It is not an unprimeable number, because it can be changed into a prime (12001102193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77467 + ... + 173214.

It is an arithmetic number, because the mean of its divisors is an integer number (767086920).

Almost surely, 2^12001102194 is an apocalyptic number.

12001102194 is an abundant number, since it is smaller than the sum of its proper divisors (12545679246).

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

12001102194 is a wasteful number, since it uses less digits than its factorization.

12001102194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250866.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 12001102194 in words is "twelve billion, one million, one hundred two thousand, one hundred ninety-four".