12331340422 has 12 divisors (see below), whose sum is σ = 19649074500. Its totient is φ = 5802983456.

The previous prime is 12331340407. The next prime is 12331340429. The reversal of 12331340422 is 22404313321.

It is a super-2 number, since 2×12331340422² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331340429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10666672 + ... + 10667827.

It is an arithmetic number, because the mean of its divisors is an integer number (1637422875).

Almost surely, 2^12331340422 is an apocalyptic number.

12331340422 is a deficient number, since it is larger than the sum of its proper divisors (7317734078).

12331340422 is a wasteful number, since it uses less digits than its factorization.

12331340422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21334535 (or 21334518 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 12331340422 its reverse (22404313321), we get a palindrome (34735653743).

The spelling of 12331340422 in words is "twelve billion, three hundred thirty-one million, three hundred forty thousand, four hundred twenty-two".