12021112220001 has 32 divisors (see below), whose sum is σ = 16301693224320. Its totient is φ = 7878040902144.

The previous prime is 12021112219993. The next prime is 12021112220059. The reversal of 12021112220001 is 10002221112021.

It is not a de Polignac number, because 12021112220001 - 2³ = 12021112219993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12021112200001) 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, 586128135 + ... + 586148643.

It is an arithmetic number, because the mean of its divisors is an integer number (509427913260).

Almost surely, 2^{12021112220001} is an apocalyptic number.

It is an amenable number.

12021112220001 is a deficient number, since it is larger than the sum of its proper divisors (4280581004319).

12021112220001 is a wasteful number, since it uses less digits than its factorization.

12021112220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29345.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12021112220001 its reverse (10002221112021), we get a palindrome (22023333332022).

The spelling of 12021112220001 in words is "twelve trillion, twenty-one billion, one hundred twelve million, two hundred twenty thousand, one".