3412012447561 has 4 divisors (see below), whose sum is σ = 3445794749124. Its totient is φ = 3378230146000.

The previous prime is 3412012447559. The next prime is 3412012447583. The reversal of 3412012447561 is 1657442102143.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1851624233536 + 1560388214025 = 1360744^2 + 1249155^2 .

It is a cyclic number.

It is not a de Polignac number, because 3412012447561 - 2¹ = 3412012447559 is a prime.

It is a super-2 number, since 2×3412012447561² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3412012447511) 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, 16891150630 + ... + 16891150831.

It is an arithmetic number, because the mean of its divisors is an integer number (861448687281).

Almost surely, 2^{3412012447561} is an apocalyptic number.

It is an amenable number.

3412012447561 is a deficient number, since it is larger than the sum of its proper divisors (33782301563).

3412012447561 is a wasteful number, since it uses less digits than its factorization.

3412012447561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33782301562.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 3412012447561 in words is "three trillion, four hundred twelve billion, twelve million, four hundred forty-seven thousand, five hundred sixty-one".