121233120330000 has 400 divisors, whose sum is σ = 447396393825920. Its totient is φ = 27702273024000.

The previous prime is 121233120329933. The next prime is 121233120330019. The reversal of 121233120330000 is 33021332121.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 728406792 + ... + 728573208.

Almost surely, 2^{121233120330000} is an apocalyptic number.

121233120330000 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 121233120330000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223698196912960).

121233120330000 is an abundant number, since it is smaller than the sum of its proper divisors (326163273495920).

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

121233120330000 is a wasteful number, since it uses less digits than its factorization.

121233120330000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169924 (or 169903 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 121233120330000 its reverse (33021332121), we get a palindrome (121266141662121).

The spelling of 121233120330000 in words is "one hundred twenty-one trillion, two hundred thirty-three billion, one hundred twenty million, three hundred thirty thousand".