12031221203034 has 32 divisors (see below), whose sum is σ = 26306146953216. Its totient is φ = 3638017692720.

The previous prime is 12031221202993. The next prime is 12031221203129. The reversal of 12031221203034 is 43030212213021.

It is a junction number, because it is equal to n+sod(n) for n = 12031221202995 and 12031221203013.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195141802 + ... + 195203445.

It is an arithmetic number, because the mean of its divisors is an integer number (822067092288).

Almost surely, 2^{12031221203034} is an apocalyptic number.

12031221203034 is an abundant number, since it is smaller than the sum of its proper divisors (14274925750182).

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

12031221203034 is a wasteful number, since it uses less digits than its factorization.

12031221203034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390345730.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12031221203034 its reverse (43030212213021), we get a palindrome (55061433416055).

The spelling of 12031221203034 in words is "twelve trillion, thirty-one billion, two hundred twenty-one million, two hundred three thousand, thirty-four".