12001121212292 has 24 divisors (see below), whose sum is σ = 21711658063872. Its totient is φ = 5798365574400.

The previous prime is 12001121212291. The next prime is 12001121212309. The reversal of 12001121212292 is 29221212110021.

It is not an unprimeable number, because it can be changed into a prime (12001121212291) 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, 71820884 + ... + 71987787.

It is an arithmetic number, because the mean of its divisors is an integer number (904652419328).

Almost surely, 2^{12001121212292} is an apocalyptic number.

It is an amenable number.

12001121212292 is a deficient number, since it is larger than the sum of its proper divisors (9710536851580).

12001121212292 is a wasteful number, since it uses less digits than its factorization.

12001121212292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143809379 (or 143809377 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 12001121212292 in words is "twelve trillion, one billion, one hundred twenty-one million, two hundred twelve thousand, two hundred ninety-two".