121303203303000 has 64 divisors (see below), whose sum is σ = 378465994314720. Its totient is φ = 32347520880000.

The previous prime is 121303203302993. The next prime is 121303203303103. The reversal of 121303203303000 is 303302303121.

It is a congruent number.

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, 20217197551 + ... + 20217203550.

Almost surely, 2^{121303203303000} is an apocalyptic number.

121303203303000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121303203303000 is an abundant number, since it is smaller than the sum of its proper divisors (257162791011720).

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

121303203303000 is a wasteful number, since it uses less digits than its factorization.

121303203303000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40434401125 (or 40434401111 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 121303203303000 its reverse (303302303121), we get a palindrome (121606505606121).

The spelling of 121303203303000 in words is "one hundred twenty-one trillion, three hundred three billion, two hundred three million, three hundred three thousand".