122212424212221 has 32 divisors (see below), whose sum is σ = 189743651739648. Its totient is φ = 68517492713280.

The previous prime is 122212424212189. The next prime is 122212424212237.

122212424212221 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 122212424212221 - 2⁵ = 122212424212189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122212424212271) 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, 179934760 + ... + 180612686.

It is an arithmetic number, because the mean of its divisors is an integer number (5929489116864).

Almost surely, 2^{122212424212221} is an apocalyptic number.

It is an amenable number.

122212424212221 is a deficient number, since it is larger than the sum of its proper divisors (67531227527427).

122212424212221 is a wasteful number, since it uses less digits than its factorization.

122212424212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839961.

The product of its digits is 8192, while the sum is 30.

The spelling of 122212424212221 in words is "one hundred twenty-two trillion, two hundred twelve billion, four hundred twenty-four million, two hundred twelve thousand, two hundred twenty-one".