12120121332232 has 32 divisors (see below), whose sum is σ = 22962585784320. Its totient is φ = 5996781872640.

The previous prime is 12120121332191. The next prime is 12120121332233. The reversal of 12120121332232 is 23223312102121.

It is a super-2 number, since 2×12120121332232² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12120121332197 and 12120121332206.

It is not an unprimeable number, because it can be changed into a prime (12120121332233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4766857 + ... + 6852967.

It is an arithmetic number, because the mean of its divisors is an integer number (717580805760).

Almost surely, 2^{12120121332232} is an apocalyptic number.

It is an amenable number.

12120121332232 is a deficient number, since it is larger than the sum of its proper divisors (10842464452088).

12120121332232 is a wasteful number, since it uses less digits than its factorization.

12120121332232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093701 (or 2093697 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12120121332232 its reverse (23223312102121), we get a palindrome (35343433434353).

The spelling of 12120121332232 in words is "twelve trillion, one hundred twenty billion, one hundred twenty-one million, three hundred thirty-two thousand, two hundred thirty-two".