3412743012521 has 4 divisors (see below), whose sum is σ = 3414864047700. Its totient is φ = 3410621977344.

The previous prime is 3412743012509. The next prime is 3412743012533. The reversal of 3412743012521 is 1252103472143.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (3412743012509) and next prime (3412743012533).

It can be written as a sum of positive squares in 2 ways, for example, as 1723811443600 + 1688931568921 = 1312940^2 + 1299589^2 .

It is a cyclic number.

It is not a de Polignac number, because 3412743012521 - 2¹⁰ = 3412743011497 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3412743002521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1060515176 + ... + 1060518393.

It is an arithmetic number, because the mean of its divisors is an integer number (853716011925).

Almost surely, 2^{3412743012521} is an apocalyptic number.

It is an amenable number.

3412743012521 is a deficient number, since it is larger than the sum of its proper divisors (2121035179).

3412743012521 is a wasteful number, since it uses less digits than its factorization.

3412743012521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121035178.

The product of its (nonzero) digits is 40320, while the sum is 35.

Adding to 3412743012521 its reverse (1252103472143), we get a palindrome (4664846484664).

The spelling of 3412743012521 in words is "three trillion, four hundred twelve billion, seven hundred forty-three million, twelve thousand, five hundred twenty-one".