1421244012 has 24 divisors (see below), whose sum is σ = 3338202112. Its totient is φ = 470610000.

The previous prime is 1421244001. The next prime is 1421244031. The reversal of 1421244012 is 2104421241.

It is a super-2 number, since 2×1421244012² = 4039869083291712288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1421244012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390364 + ... + 393987.

Almost surely, 2^1421244012 is an apocalyptic number.

1421244012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1421244012 is an abundant number, since it is smaller than the sum of its proper divisors (1916958100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421244012 is a wasteful number, since it uses less digits than its factorization.

1421244012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784509 (or 784507 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1421244012 is about 37699.3900746418. The cubic root of 1421244012 is about 1124.3189984172.

Adding to 1421244012 its reverse (2104421241), we get a palindrome (3525665253).

The spelling of 1421244012 in words is "one billion, four hundred twenty-one million, two hundred forty-four thousand, twelve".