122012022021 has 8 divisors (see below), whose sum is σ = 163257547680. Its totient is φ = 81053922192.

The previous prime is 122012021981. The next prime is 122012022053. The reversal of 122012022021 is 120220210221.

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

It is not a de Polignac number, because 122012022021 - 2³⁴ = 104832152837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122012022091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71855466 + ... + 71857163.

It is an arithmetic number, because the mean of its divisors is an integer number (20407193460).

Almost surely, 2^122012022021 is an apocalyptic number.

It is an amenable number.

122012022021 is a deficient number, since it is larger than the sum of its proper divisors (41245525659).

122012022021 is a wasteful number, since it uses less digits than its factorization.

122012022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143712915.

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

Adding to 122012022021 its reverse (120220210221), we get a palindrome (242232232242).

The spelling of 122012022021 in words is "one hundred twenty-two billion, twelve million, twenty-two thousand, twenty-one".