121232113003 has 4 divisors (see below), whose sum is σ = 121232813080. Its totient is φ = 121231412928.

The previous prime is 121232112943. The next prime is 121232113061. The reversal of 121232113003 is 300311232121.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 300311232121 = 577 ⋅520470073.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121232113003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121232113063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121051 + ... + 507067.

It is an arithmetic number, because the mean of its divisors is an integer number (30308203270).

Almost surely, 2^121232113003 is an apocalyptic number.

121232113003 is a deficient number, since it is larger than the sum of its proper divisors (700077).

121232113003 is an equidigital number, since it uses as much as digits as its factorization.

121232113003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700076.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 121232113003 its reverse (300311232121), we get a palindrome (421543345124).

The spelling of 121232113003 in words is "one hundred twenty-one billion, two hundred thirty-two million, one hundred thirteen thousand, three".