121235073005 has 4 divisors (see below), whose sum is σ = 145482087612. Its totient is φ = 96988058400.

The previous prime is 121235072999. The next prime is 121235073031. The reversal of 121235073005 is 500370532121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14884732009 + 106350340996 = 122003^2 + 326114^2 .

It is not a de Polignac number, because 121235073005 - 2⁴ = 121235072989 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 12123507296 + ... + 12123507305.

It is an arithmetic number, because the mean of its divisors is an integer number (36370521903).

Almost surely, 2^121235073005 is an apocalyptic number.

It is an amenable number.

121235073005 is a deficient number, since it is larger than the sum of its proper divisors (24247014607).

121235073005 is an equidigital number, since it uses as much as digits as its factorization.

121235073005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24247014606.

The product of its (nonzero) digits is 6300, while the sum is 29.

The spelling of 121235073005 in words is "one hundred twenty-one billion, two hundred thirty-five million, seventy-three thousand, five".