121323013233 has 8 divisors (see below), whose sum is σ = 163712982048. Its totient is φ = 79907526624.

The previous prime is 121323013213. The next prime is 121323013247. The reversal of 121323013233 is 332310323121.

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

It is not a de Polignac number, because 121323013233 - 2²⁴ = 121306236017 is a prime.

It is a super-2 number, since 2×121323013233² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121323013213) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 243620260 + ... + 243620757.

It is an arithmetic number, because the mean of its divisors is an integer number (20464122756).

Almost surely, 2^121323013233 is an apocalyptic number.

It is an amenable number.

121323013233 is a deficient number, since it is larger than the sum of its proper divisors (42389968815).

121323013233 is an equidigital number, since it uses as much as digits as its factorization.

121323013233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487241103.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 121323013233 its reverse (332310323121), we get a palindrome (453633336354).

The spelling of 121323013233 in words is "one hundred twenty-one billion, three hundred twenty-three million, thirteen thousand, two hundred thirty-three".