1421351012 has 12 divisors (see below), whose sum is σ = 2618278320. Its totient is φ = 673271496.

The previous prime is 1421350999. The next prime is 1421351047. The reversal of 1421351012 is 2101531241.

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, 9350918 + ... + 9351069.

It is an arithmetic number, because the mean of its divisors is an integer number (218189860).

Almost surely, 2^1421351012 is an apocalyptic number.

It is an amenable number.

1421351012 is a deficient number, since it is larger than the sum of its proper divisors (1196927308).

1421351012 is a wasteful number, since it uses less digits than its factorization.

1421351012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18702010 (or 18702008 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1421351012 is about 37700.8091690351. The cubic root of 1421351012 is about 1124.3472129280.

Adding to 1421351012 its reverse (2101531241), we get a palindrome (3522882253).

The spelling of 1421351012 in words is "one billion, four hundred twenty-one million, three hundred fifty-one thousand, twelve".