122012012201021 has 8 divisors (see below), whose sum is σ = 122890283745600. Its totient is φ = 121133747617920.

The previous prime is 122012012200993. The next prime is 122012012201033. The reversal of 122012012201021 is 120102210210221.

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 122012012201021 - 2⁶ = 122012012200957 is a prime.

It is a super-2 number, since 2×122012012201021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122012012201081) 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, 36443501 + ... + 39650381.

It is an arithmetic number, because the mean of its divisors is an integer number (15361285468200).

Almost surely, 2^{122012012201021} is an apocalyptic number.

It is an amenable number.

122012012201021 is a deficient number, since it is larger than the sum of its proper divisors (878271544579).

122012012201021 is a wasteful number, since it uses less digits than its factorization.

122012012201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3480739.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122012012201021 its reverse (120102210210221), we get a palindrome (242114222411242).

The spelling of 122012012201021 in words is "one hundred twenty-two trillion, twelve billion, twelve million, two hundred one thousand, twenty-one".