12121233110232 has 32 divisors (see below), whose sum is σ = 30799854628080. Its totient is φ = 3974174789760.

The previous prime is 12121233110197. The next prime is 12121233110281. The reversal of 12121233110232 is 23201133212121.

It is a super-2 number, since 2×12121233110232² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4139763943 + ... + 4139766870.

Almost surely, 2^{12121233110232} is an apocalyptic number.

12121233110232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12121233110232 is an abundant number, since it is smaller than the sum of its proper divisors (18678621517848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12121233110232 is a wasteful number, since it uses less digits than its factorization.

12121233110232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8279530883 (or 8279530879 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12121233110232 its reverse (23201133212121), we get a palindrome (35322366322353).

The spelling of 12121233110232 in words is "twelve trillion, one hundred twenty-one billion, two hundred thirty-three million, one hundred ten thousand, two hundred thirty-two".