121333432430 has 32 divisors (see below), whose sum is σ = 249866721216. Its totient is φ = 41555614464.

The previous prime is 121333432403. The next prime is 121333432447. The reversal of 121333432430 is 34234333121.

It is a junction number, because it is equal to n+sod(n) for n = 121333432393 and 121333432402.

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, 859349 + ... + 990528.

It is an arithmetic number, because the mean of its divisors is an integer number (7808335038).

Almost surely, 2^121333432430 is an apocalyptic number.

121333432430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121333432430 is an abundant number, since it is smaller than the sum of its proper divisors (128533288786).

121333432430 is a wasteful number, since it uses less digits than its factorization.

121333432430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850828.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 121333432430 its reverse (34234333121), we get a palindrome (155567765551).

The spelling of 121333432430 in words is "one hundred twenty-one billion, three hundred thirty-three million, four hundred thirty-two thousand, four hundred thirty".