12031032213100 has 36 divisors (see below), whose sum is σ = 26109137502000. Its totient is φ = 4812081530560.

The previous prime is 12031032213071. The next prime is 12031032213103. The reversal of 12031032213100 is 131223013021.

It is a super-2 number, since 2×12031032213100² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12031032213103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2679760 + ... + 5589559.

It is an arithmetic number, because the mean of its divisors is an integer number (725253819500).

Almost surely, 2^{12031032213100} is an apocalyptic number.

12031032213100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12031032213100 is an abundant number, since it is smaller than the sum of its proper divisors (14078105288900).

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

12031032213100 is a wasteful number, since it uses less digits than its factorization.

12031032213100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8283882 (or 8283875 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12031032213100 its reverse (131223013021), we get a palindrome (12162255226121).

The spelling of 12031032213100 in words is "twelve trillion, thirty-one billion, thirty-two million, two hundred thirteen thousand, one hundred".