1421316412 has 12 divisors (see below), whose sum is σ = 2488605336. Its totient is φ = 710286320.

The previous prime is 1421316397. The next prime is 1421316443. The reversal of 1421316412 is 2146131241.

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, 84283 + ... + 99730.

It is an arithmetic number, because the mean of its divisors is an integer number (207383778).

Almost surely, 2^1421316412 is an apocalyptic number.

It is an amenable number.

1421316412 is a deficient number, since it is larger than the sum of its proper divisors (1067288924).

1421316412 is a wasteful number, since it uses less digits than its factorization.

1421316412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185948 (or 185946 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

The square root of 1421316412 is about 37700.3502901498. The cubic root of 1421316412 is about 1124.3380895122.

Adding to 1421316412 its reverse (2146131241), we get a palindrome (3567447653).

It can be divided in two parts, 14213 and 16412, that added together give a square (30625 = 175²).

The spelling of 1421316412 in words is "one billion, four hundred twenty-one million, three hundred sixteen thousand, four hundred twelve".