121433302405 has 16 divisors (see below), whose sum is σ = 148551076224. Its totient is φ = 95261250240.

The previous prime is 121433302399. The next prime is 121433302421. The reversal of 121433302405 is 504203334121.

It is a happy number.

It is not a de Polignac number, because 121433302405 - 2⁹ = 121433301893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360082 + ... + 610348.

It is an arithmetic number, because the mean of its divisors is an integer number (9284442264).

Almost surely, 2^121433302405 is an apocalyptic number.

It is an amenable number.

121433302405 is a deficient number, since it is larger than the sum of its proper divisors (27117773819).

121433302405 is a wasteful number, since it uses less digits than its factorization.

121433302405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252156.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 121433302405 its reverse (504203334121), we get a palindrome (625636636526).

The spelling of 121433302405 in words is "one hundred twenty-one billion, four hundred thirty-three million, three hundred two thousand, four hundred five".