122000102020 has 12 divisors (see below), whose sum is σ = 256200214284. Its totient is φ = 48800040800.

The previous prime is 122000102017. The next prime is 122000102027. The reversal of 122000102020 is 20201000221.

It can be written as a sum of positive squares in 2 ways, for example, as 79705711684 + 42294390336 = 282322^2 + 205656^2 .

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 = 122000101988 and 122000102006.

It is not an unprimeable number, because it can be changed into a prime (122000102027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3050002531 + ... + 3050002570.

It is an arithmetic number, because the mean of its divisors is an integer number (21350017857).

Almost surely, 2^122000102020 is an apocalyptic number.

122000102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122000102020 is an abundant number, since it is smaller than the sum of its proper divisors (134200112264).

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

122000102020 is a wasteful number, since it uses less digits than its factorization.

122000102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6100005110 (or 6100005108 counting only the distinct ones).

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

Adding to 122000102020 its reverse (20201000221), we get a palindrome (142201102241).

The spelling of 122000102020 in words is "one hundred twenty-two billion, one hundred two thousand, twenty".