121231333320000 has 840 divisors, whose sum is σ = 408543902053056. Its totient is φ = 31713251328000.

The previous prime is 121231333319963. The next prime is 121231333320079. The reversal of 121231333320000 is 23333132121.

121231333320000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 460955639869 + ... + 460955640131.

Almost surely, 2^{121231333320000} is an apocalyptic number.

121231333320000 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 121231333320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204271951026528).

121231333320000 is an abundant number, since it is smaller than the sum of its proper divisors (287312568733056).

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

121231333320000 is an frugal number, since it uses more digits than its factorization.

121231333320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793 (or 569 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 121231333320000 its reverse (23333132121), we get a palindrome (121254666452121).

The spelling of 121231333320000 in words is "one hundred twenty-one trillion, two hundred thirty-one billion, three hundred thirty-three million, three hundred twenty thousand".