12000001120121 has 16 divisors (see below), whose sum is σ = 13725399542400. Its totient is φ = 10277383915008.

The previous prime is 12000001120111. The next prime is 12000001120141. The reversal of 12000001120121 is 12102110000021.

It is not a de Polignac number, because 12000001120121 - 2³⁴ = 11982821250937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12000001120111) 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, 47649110 + ... + 47900288.

It is an arithmetic number, because the mean of its divisors is an integer number (857837471400).

Almost surely, 2^{12000001120121} is an apocalyptic number.

It is an amenable number.

12000001120121 is a deficient number, since it is larger than the sum of its proper divisors (1725398422279).

12000001120121 is a wasteful number, since it uses less digits than its factorization.

12000001120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256688.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12000001120121 its reverse (12102110000021), we get a palindrome (24102111120142).

The spelling of 12000001120121 in words is "twelve trillion, one million, one hundred twenty thousand, one hundred twenty-one".