1321012014 has 16 divisors (see below), whose sum is σ = 3019456128. Its totient is φ = 377431992.

The previous prime is 1321011971. The next prime is 1321012019. The reversal of 1321012014 is 4102101231.

It is a super-2 number, since 2×1321012014² = 3490145482264672392, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1321011984 and 1321012002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321012019) 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 7 ways as a sum of consecutive naturals, for example, 15726292 + ... + 15726375.

It is an arithmetic number, because the mean of its divisors is an integer number (188716008).

Almost surely, 2^1321012014 is an apocalyptic number.

1321012014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1321012014 is an abundant number, since it is smaller than the sum of its proper divisors (1698444114).

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

1321012014 is a wasteful number, since it uses less digits than its factorization.

1321012014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31452679.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1321012014 is about 36345.7289650380. The cubic root of 1321012014 is about 1097.2415773093.

Adding to 1321012014 its reverse (4102101231), we get a palindrome (5423113245).

The spelling of 1321012014 in words is "one billion, three hundred twenty-one million, twelve thousand, fourteen".