122010121000 has 64 divisors (see below), whose sum is σ = 288330690960. Its totient is φ = 48320800000.

The previous prime is 122010120977. The next prime is 122010121021. The reversal of 122010121000 is 121010221.

It can be written as a sum of positive squares in 8 ways, for example, as 3223741284 + 118786379716 = 56778^2 + 344654^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 503011 + ... + 705010.

Almost surely, 2^122010121000 is an apocalyptic number.

122010121000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122010121000 is an abundant number, since it is smaller than the sum of its proper divisors (166320569960).

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

122010121000 is a wasteful number, since it uses less digits than its factorization.

122010121000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208143 (or 1208129 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 122010121000 its reverse (121010221), we get a palindrome (122131131221).

The spelling of 122010121000 in words is "one hundred twenty-two billion, ten million, one hundred twenty-one thousand".