121433404042 has 8 divisors (see below), whose sum is σ = 188025916032. Its totient is φ = 58758098700.

The previous prime is 121433404033. The next prime is 121433404087. The reversal of 121433404042 is 240404334121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 121433404042.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 979301584 + ... + 979301707.

It is an arithmetic number, because the mean of its divisors is an integer number (23503239504).

Almost surely, 2^121433404042 is an apocalyptic number.

121433404042 is a deficient number, since it is larger than the sum of its proper divisors (66592511990).

121433404042 is a wasteful number, since it uses less digits than its factorization.

121433404042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958603324.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 121433404042 its reverse (240404334121), we get a palindrome (361837738163).

The spelling of 121433404042 in words is "one hundred twenty-one billion, four hundred thirty-three million, four hundred four thousand, forty-two".