122020212219975 has 72 divisors (see below), whose sum is σ = 218940768858240. Its totient is φ = 64961640495360.

The previous prime is 122020212219973. The next prime is 122020212220031. The reversal of 122020212219975 is 579912212020221.

It is a happy number.

122020212219975 is a `hidden beast` number, since 1 + 220 + 20 + 212 + 2 + 199 + 7 + 5 = 666.

It is not a de Polignac number, because 122020212219975 - 2¹ = 122020212219973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 122020212219975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122020212219973) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1108524241 + ... + 1108634309.

It is an arithmetic number, because the mean of its divisors is an integer number (3040844011920).

Almost surely, 2^{122020212219975} is an apocalyptic number.

122020212219975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122020212219975 is a deficient number, since it is larger than the sum of its proper divisors (96920556638265).

122020212219975 is a wasteful number, since it uses less digits than its factorization.

122020212219975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118809 (or 118801 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 122020212219975 in words is "one hundred twenty-two trillion, twenty billion, two hundred twelve million, two hundred nineteen thousand, nine hundred seventy-five".