121223101233 has 24 divisors (see below), whose sum is σ = 177485463360. Its totient is φ = 73548121920.

The previous prime is 121223101201. The next prime is 121223101249. The reversal of 121223101233 is 332101322121.

It is not a de Polignac number, because 121223101233 - 2⁵ = 121223101201 is a prime.

It is a super-2 number, since 2×121223101233² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121223102233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1647798 + ... + 1719791.

It is an arithmetic number, because the mean of its divisors is an integer number (7395227640).

Almost surely, 2^121223101233 is an apocalyptic number.

121223101233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121223101233 is a deficient number, since it is larger than the sum of its proper divisors (56262362127).

121223101233 is a wasteful number, since it uses less digits than its factorization.

121223101233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3367689 (or 3367676 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 121223101233 its reverse (332101322121), we get a palindrome (453324423354).

The spelling of 121223101233 in words is "one hundred twenty-one billion, two hundred twenty-three million, one hundred one thousand, two hundred thirty-three".