122012002221 has 8 divisors (see below), whose sum is σ = 164359810944. Its totient is φ = 80502764160.

The previous prime is 122012002219. The next prime is 122012002223. The reversal of 122012002221 is 122200210221.

It is an interprime number because it is at equal distance from previous prime (122012002219) and next prime (122012002223).

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

It is not a de Polignac number, because 122012002221 - 2¹ = 122012002219 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 122012002221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122012002223) 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, 209642325 + ... + 209642906.

It is an arithmetic number, because the mean of its divisors is an integer number (20544976368).

Almost surely, 2^122012002221 is an apocalyptic number.

It is an amenable number.

122012002221 is a deficient number, since it is larger than the sum of its proper divisors (42347808723).

122012002221 is an equidigital number, since it uses as much as digits as its factorization.

122012002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419285331.

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

Adding to 122012002221 its reverse (122200210221), we get a palindrome (244212212442).

The spelling of 122012002221 in words is "one hundred twenty-two billion, twelve million, two thousand, two hundred twenty-one".