122020221012 has 48 divisors (see below), whose sum is σ = 299360006400. Its totient is φ = 38627084160.

The previous prime is 122020220989. The next prime is 122020221049. The reversal of 122020221012 is 210122020221.

It is a junction number, because it is equal to n+sod(n) for n = 122020220982 and 122020221000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2852812 + ... + 2895267.

It is an arithmetic number, because the mean of its divisors is an integer number (6236666800).

Almost surely, 2^122020221012 is an apocalyptic number.

122020221012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122020221012 is an abundant number, since it is smaller than the sum of its proper divisors (177339785388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122020221012 is a wasteful number, since it uses less digits than its factorization.

122020221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5748176 (or 5748174 counting only the distinct ones).

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

Adding to 122020221012 its reverse (210122020221), we get a palindrome (332142241233).

The spelling of 122020221012 in words is "one hundred twenty-two billion, twenty million, two hundred twenty-one thousand, twelve".