121002010120000 has 70 divisors (see below), whose sum is σ = 300045659543498. Its totient is φ = 48400804032000.

The previous prime is 121002010119989. The next prime is 121002010120031. The reversal of 121002010120000 is 21010200121.

It can be written as a sum of positive squares in 5 ways, for example, as 26235211809024 + 94766798310976 = 5122032^2 + 9734824^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1512485127 + ... + 1512565126.

Almost surely, 2^{121002010120000} is an apocalyptic number.

121002010120000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121002010120000 is an abundant number, since it is smaller than the sum of its proper divisors (179043649423498).

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

121002010120000 is an frugal number, since it uses more digits than its factorization.

121002010120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025050285 (or 3025050260 counting only the distinct ones).

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

Adding to 121002010120000 its reverse (21010200121), we get a palindrome (121023020320121).

The spelling of 121002010120000 in words is "one hundred twenty-one trillion, two billion, ten million, one hundred twenty thousand".