12000022001121 has 32 divisors (see below), whose sum is σ = 20145594387456. Its totient is φ = 6172057080000.

The previous prime is 12000022001111. The next prime is 12000022001153. The reversal of 12000022001121 is 12110022000021.

It is not a de Polignac number, because 12000022001121 - 2²¹ = 12000019903969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12000022001097 and 12000022001106.

It is not an unprimeable number, because it can be changed into a prime (12000022001111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 257145715 + ... + 257192376.

It is an arithmetic number, because the mean of its divisors is an integer number (629549824608).

Almost surely, 2^{12000022001121} is an apocalyptic number.

12000022001121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12000022001121 is a deficient number, since it is larger than the sum of its proper divisors (8145572386335).

12000022001121 is a wasteful number, since it uses less digits than its factorization.

12000022001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514338213.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12000022001121 its reverse (12110022000021), we get a palindrome (24110044001142).

The spelling of 12000022001121 in words is "twelve trillion, twenty-two million, one thousand, one hundred twenty-one".