121112233213023 has 64 divisors (see below), whose sum is σ = 197377405747200. Its totient is φ = 72930546823680.

The previous prime is 121112233212821. The next prime is 121112233213031. The reversal of 121112233213023 is 320312332211121.

121112233213023 is a `hidden beast` number, since 1 + 2 + 1 + 1 + 1 + 22 + 332 + 1 + 302 + 3 = 666.

It is not a de Polignac number, because 121112233213023 - 2¹² = 121112233208927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121112233213063) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 83731063 + ... + 85165223.

It is an arithmetic number, because the mean of its divisors is an integer number (3084021964800).

Almost surely, 2^{121112233213023} is an apocalyptic number.

121112233213023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121112233213023 is a deficient number, since it is larger than the sum of its proper divisors (76265172534177).

121112233213023 is a wasteful number, since it uses less digits than its factorization.

121112233213023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439349 (or 1439343 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 121112233213023 its reverse (320312332211121), we get a palindrome (441424565424144).

The spelling of 121112233213023 in words is "one hundred twenty-one trillion, one hundred twelve billion, two hundred thirty-three million, two hundred thirteen thousand, twenty-three".