122102204020 has 48 divisors (see below), whose sum is σ = 262421913600. Its totient is φ = 47697019776.

The previous prime is 122102204011. The next prime is 122102204023. The reversal of 122102204020 is 20402201221.

It is a junction number, because it is equal to n+sod(n) for n = 122102203985 and 122102204003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122102204023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9533581 + ... + 9546379.

It is an arithmetic number, because the mean of its divisors is an integer number (5467123200).

Almost surely, 2^122102204020 is an apocalyptic number.

122102204020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122102204020 is an abundant number, since it is smaller than the sum of its proper divisors (140319709580).

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

122102204020 is a wasteful number, since it uses less digits than its factorization.

122102204020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23944 (or 23942 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 122102204020 its reverse (20402201221), we get a palindrome (142504405241).

The spelling of 122102204020 in words is "one hundred twenty-two billion, one hundred two million, two hundred four thousand, twenty".