121333467840 has 112 divisors (see below), whose sum is σ = 414867169248. Its totient is φ = 29866696704.

The previous prime is 121333467811. The next prime is 121333467851. The reversal of 121333467840 is 48764333121.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 121333467792 and 121333467801.

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, 4848637 + ... + 4873596.

It is an arithmetic number, because the mean of its divisors is an integer number (3704171154).

Almost surely, 2^121333467840 is an apocalyptic number.

121333467840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121333467840 is an abundant number, since it is smaller than the sum of its proper divisors (293533701408).

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

121333467840 is a wasteful number, since it uses less digits than its factorization.

121333467840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9722266 (or 9722256 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 121333467840 in words is "one hundred twenty-one billion, three hundred thirty-three million, four hundred sixty-seven thousand, eight hundred forty".