122021020120013 has 32 divisors (see below), whose sum is σ = 144169080880128. Its totient is φ = 101089799366400.

The previous prime is 122021020120003. The next prime is 122021020120019. The reversal of 122021020120013 is 310021020120221.

It is a cyclic number.

It is not a de Polignac number, because 122021020120013 - 2⁴⁰ = 120921508492237 is a prime.

It is a super-2 number, since 2×122021020120013² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122021020119973 and 122021020120000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122021020120019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166800623 + ... + 167530563.

It is an arithmetic number, because the mean of its divisors is an integer number (4505283777504).

Almost surely, 2^{122021020120013} is an apocalyptic number.

It is an amenable number.

122021020120013 is a deficient number, since it is larger than the sum of its proper divisors (22148060760115).

122021020120013 is a wasteful number, since it uses less digits than its factorization.

122021020120013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734253.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 122021020120013 its reverse (310021020120221), we get a palindrome (432042040240234).

The spelling of 122021020120013 in words is "one hundred twenty-two trillion, twenty-one billion, twenty million, one hundred twenty thousand, thirteen".