12000022212021 has 8 divisors (see below), whose sum is σ = 16000634432160. Its totient is φ = 7999712399952.

The previous prime is 12000022211981. The next prime is 12000022212053. The reversal of 12000022212021 is 12021222000021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12000022212021 - 2²¹ = 12000020114869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000022212121) 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, 75509410 + ... + 75668163.

It is an arithmetic number, because the mean of its divisors is an integer number (2000079304020).

Almost surely, 2^{12000022212021} is an apocalyptic number.

It is an amenable number.

12000022212021 is a deficient number, since it is larger than the sum of its proper divisors (4000612220139).

12000022212021 is a wasteful number, since it uses less digits than its factorization.

12000022212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151204035.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12000022212021 its reverse (12021222000021), we get a palindrome (24021244212042).

The spelling of 12000022212021 in words is "twelve trillion, twenty-two million, two hundred twelve thousand, twenty-one".