1412311021 has 16 divisors (see below), whose sum is σ = 1692311040. Its totient is φ = 1163455920.

The previous prime is 1412310997. The next prime is 1412311079. The reversal of 1412311021 is 1201132141.

It is not a de Polignac number, because 1412311021 - 2⁹ = 1412310509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1412310986 and 1412311004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1412311081) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 142095 + ... + 151708.

It is an arithmetic number, because the mean of its divisors is an integer number (105769440).

Almost surely, 2^1412311021 is an apocalyptic number.

1412311021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1412311021 is a deficient number, since it is larger than the sum of its proper divisors (280000019).

1412311021 is a wasteful number, since it uses less digits than its factorization.

1412311021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293856.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1412311021 is about 37580.7267226167. The cubic root of 1412311021 is about 1121.9584730591.

Adding to 1412311021 its reverse (1201132141), we get a palindrome (2613443162).

The spelling of 1412311021 in words is "one billion, four hundred twelve million, three hundred eleven thousand, twenty-one".