12101121199964 has 12 divisors (see below), whose sum is σ = 21265568637600. Its totient is φ = 6025244446368.

The previous prime is 12101121199949. The next prime is 12101121200009. The reversal of 12101121199964 is 46999112110121.

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, 6329037329 + ... + 6329039240.

It is an arithmetic number, because the mean of its divisors is an integer number (1772130719800).

Almost surely, 2^{12101121199964} is an apocalyptic number.

It is an amenable number.

12101121199964 is a deficient number, since it is larger than the sum of its proper divisors (9164447437636).

12101121199964 is a wasteful number, since it uses less digits than its factorization.

12101121199964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12658076812 (or 12658076810 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 47.

The spelling of 12101121199964 in words is "twelve trillion, one hundred one billion, one hundred twenty-one million, one hundred ninety-nine thousand, nine hundred sixty-four".