1322140312 has 16 divisors (see below), whose sum is σ = 2479732200. Its totient is φ = 660878400.

The previous prime is 1322140273. The next prime is 1322140331. The reversal of 1322140312 is 2130412231.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1322140312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7812 + ... + 52012.

Almost surely, 2^1322140312 is an apocalyptic number.

It is an amenable number.

1322140312 is a deficient number, since it is larger than the sum of its proper divisors (1157591888).

1322140312 is a wasteful number, since it uses less digits than its factorization.

1322140312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47946 (or 47942 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1322140312 is about 36361.2473933445. The cubic root of 1322140312 is about 1097.5538790803.

Adding to 1322140312 its reverse (2130412231), we get a palindrome (3452552543).

The spelling of 1322140312 in words is "one billion, three hundred twenty-two million, one hundred forty thousand, three hundred twelve".