122012012122021 has 8 divisors (see below), whose sum is σ = 139442734448640. Its totient is φ = 104581398515568.

The previous prime is 122012012121977. The next prime is 122012012122027. The reversal of 122012012122021 is 120221210210221.

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 122012012122021 - 2³⁷ = 121874573168549 is a prime.

It is a super-2 number, since 2×122012012122021² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122012012122021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122012012122027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24760846 + ... + 29276671.

It is an arithmetic number, because the mean of its divisors is an integer number (17430341806080).

Almost surely, 2^{122012012122021} is an apocalyptic number.

It is an amenable number.

122012012122021 is a deficient number, since it is larger than the sum of its proper divisors (17430722326619).

122012012122021 is an equidigital number, since it uses as much as digits as its factorization.

122012012122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54360083.

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

Adding to 122012012122021 its reverse (120221210210221), we get a palindrome (242233222332242).

The spelling of 122012012122021 in words is "one hundred twenty-two trillion, twelve billion, twelve million, one hundred twenty-two thousand, twenty-one".