122212012021021 has 8 divisors (see below), whose sum is σ = 131617191505184. Its totient is φ = 112807440462960.

The previous prime is 122212012021009. The next prime is 122212012021039. The reversal of 122212012021021 is 120120210212221.

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

It is a cyclic number.

It is not a de Polignac number, because 122212012021021 - 2⁹ = 122212012020509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122212012021021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122212012021061) 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, 151563951 + ... + 152368156.

It is an arithmetic number, because the mean of its divisors is an integer number (16452148938148).

Almost surely, 2^{122212012021021} is an apocalyptic number.

It is an amenable number.

122212012021021 is a deficient number, since it is larger than the sum of its proper divisors (9405179484163).

122212012021021 is a wasteful number, since it uses less digits than its factorization.

122212012021021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303963051.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122212012021021 its reverse (120120210212221), we get a palindrome (242332222233242).

The spelling of 122212012021021 in words is "one hundred twenty-two trillion, two hundred twelve billion, twelve million, twenty-one thousand, twenty-one".