12032121013231 has 4 divisors (see below), whose sum is σ = 13125950196264. Its totient is φ = 10938291830200.

The previous prime is 12032121013223. The next prime is 12032121013249. The reversal of 12032121013231 is 13231012123021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12032121013231 - 2³ = 12032121013223 is a prime.

It is a super-2 number, since 2×12032121013231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12032121013271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546914591500 + ... + 546914591521.

It is an arithmetic number, because the mean of its divisors is an integer number (3281487549066).

Almost surely, 2^{12032121013231} is an apocalyptic number.

12032121013231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12032121013231 is a deficient number, since it is larger than the sum of its proper divisors (1093829183033).

12032121013231 is a wasteful number, since it uses less digits than its factorization.

12032121013231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093829183032.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12032121013231 its reverse (13231012123021), we get a palindrome (25263133136252).

The spelling of 12032121013231 in words is "twelve trillion, thirty-two billion, one hundred twenty-one million, thirteen thousand, two hundred thirty-one".