121012233223 has 16 divisors (see below), whose sum is σ = 140331110400. Its totient is φ = 102210948000.

The previous prime is 121012233193. The next prime is 121012233229. The reversal of 121012233223 is 322332210121.

It is not a de Polignac number, because 121012233223 - 2¹⁷ = 121012102151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121012233194 and 121012233203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121012233229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256423 + ... + 554776.

It is an arithmetic number, because the mean of its divisors is an integer number (8770694400).

Almost surely, 2^121012233223 is an apocalyptic number.

121012233223 is a deficient number, since it is larger than the sum of its proper divisors (19318877177).

121012233223 is a wasteful number, since it uses less digits than its factorization.

121012233223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811518.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 121012233223 its reverse (322332210121), we get a palindrome (443344443344).

The spelling of 121012233223 in words is "one hundred twenty-one billion, twelve million, two hundred thirty-three thousand, two hundred twenty-three".