212220133220001 has 16 divisors (see below), whose sum is σ = 283175908666560. Its totient is φ = 141372253176000.

The previous prime is 212220133219967. The next prime is 212220133220021. The reversal of 212220133220001 is 100022331022212.

It is not a de Polignac number, because 212220133220001 - 2²¹ = 212220131122849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212220133220001.

It is not an unprimeable number, because it can be changed into a prime (212220133220021) 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, 24702955 + ... + 32166383.

It is an arithmetic number, because the mean of its divisors is an integer number (17698494291660).

Almost surely, 2^{212220133220001} is an apocalyptic number.

It is an amenable number.

212220133220001 is a deficient number, since it is larger than the sum of its proper divisors (70955775446559).

212220133220001 is a wasteful number, since it uses less digits than its factorization.

212220133220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7470656.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 212220133220001 its reverse (100022331022212), we get a palindrome (312242464242213).

The spelling of 212220133220001 in words is "two hundred twelve trillion, two hundred twenty billion, one hundred thirty-three million, two hundred twenty thousand, one".