321040140412 has 12 divisors (see below), whose sum is σ = 562135356496. Its totient is φ = 160430038560.

The previous prime is 321040140403. The next prime is 321040140413. The reversal of 321040140412 is 214041040123.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321040140413) 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, 22499889 + ... + 22514152.

Almost surely, 2^321040140412 is an apocalyptic number.

It is an amenable number.

321040140412 is a deficient number, since it is larger than the sum of its proper divisors (241095216084).

321040140412 is a wasteful number, since it uses less digits than its factorization.

321040140412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45015828 (or 45015826 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 321040140412 its reverse (214041040123), we get a palindrome (535081180535).

The spelling of 321040140412 in words is "three hundred twenty-one billion, forty million, one hundred forty thousand, four hundred twelve".