12031201340322 has 32 divisors (see below), whose sum is σ = 24516996138432. Its totient is φ = 3934638487104.

The previous prime is 12031201340321. The next prime is 12031201340329. The reversal of 12031201340322 is 22304310213021.

It is a junction number, because it is equal to n+sod(n) for n = 12031201340292 and 12031201340301.

It is not an unprimeable number, because it can be changed into a prime (12031201340321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13557808 + ... + 14417924.

It is an arithmetic number, because the mean of its divisors is an integer number (766156129326).

Almost surely, 2^{12031201340322} is an apocalyptic number.

12031201340322 is an abundant number, since it is smaller than the sum of its proper divisors (12485794798110).

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

12031201340322 is a wasteful number, since it uses less digits than its factorization.

12031201340322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904162.

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

Adding to 12031201340322 its reverse (22304310213021), we get a palindrome (34335511553343).

The spelling of 12031201340322 in words is "twelve trillion, thirty-one billion, two hundred one million, three hundred forty thousand, three hundred twenty-two".