121033020000 has 120 divisors (see below), whose sum is σ = 397012709016. Its totient is φ = 32275456000.

The previous prime is 121033019969. The next prime is 121033020007. The reversal of 121033020000 is 20330121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121033020007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 948609 + ... + 1068608.

Almost surely, 2^121033020000 is an apocalyptic number.

121033020000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121033020000 is an abundant number, since it is smaller than the sum of its proper divisors (275979689016).

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

121033020000 is an equidigital number, since it uses as much as digits as its factorization.

121033020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017250 (or 2017227 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 121033020000 its reverse (20330121), we get a palindrome (121053350121).

The spelling of 121033020000 in words is "one hundred twenty-one billion, thirty-three million, twenty thousand".