122000120020 has 24 divisors (see below), whose sum is σ = 257349141504. Its totient is φ = 48581211936.

The previous prime is 122000119963. The next prime is 122000120041. The reversal of 122000120020 is 20021000221.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 122000119979 and 122000120006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13672684 + ... + 13681603.

It is an arithmetic number, because the mean of its divisors is an integer number (10722880896).

Almost surely, 2^122000120020 is an apocalyptic number.

122000120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122000120020 is an abundant number, since it is smaller than the sum of its proper divisors (135349021484).

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

122000120020 is a wasteful number, since it uses less digits than its factorization.

122000120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27354519 (or 27354517 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 122000120020 its reverse (20021000221), we get a palindrome (142021120241).

The spelling of 122000120020 in words is "one hundred twenty-two billion, one hundred twenty thousand, twenty".