121803332560 has 320 divisors, whose sum is σ = 360880902144. Its totient is φ = 37192089600.

The previous prime is 121803332543. The next prime is 121803332641. The reversal of 121803332560 is 65233308121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 103135170 + ... + 103136350.

Almost surely, 2^121803332560 is an apocalyptic number.

121803332560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121803332560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180440451072).

121803332560 is an abundant number, since it is smaller than the sum of its proper divisors (239077569584).

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

121803332560 is a wasteful number, since it uses less digits than its factorization.

121803332560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1702 (or 1696 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 121803332560 in words is "one hundred twenty-one billion, eight hundred three million, three hundred thirty-two thousand, five hundred sixty".