1206343216431 has 12 divisors (see below), whose sum is σ = 1742800943520. Its totient is φ = 804087955680.

The previous prime is 1206343216423. The next prime is 1206343216471. The reversal of 1206343216431 is 1346123436021.

1206343216431 is a `hidden beast` number, since 1 + 2 + 0 + 6 + 3 + 4 + 3 + 2 + 1 + 643 + 1 = 666.

It is not a de Polignac number, because 1206343216431 - 2³ = 1206343216423 is a prime.

It is a super-2 number, since 2×1206343216431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206343216471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11683686 + ... + 11786483.

It is an arithmetic number, because the mean of its divisors is an integer number (145233411960).

Almost surely, 2^{1206343216431} is an apocalyptic number.

1206343216431 is a deficient number, since it is larger than the sum of its proper divisors (536457727089).

1206343216431 is a wasteful number, since it uses less digits than its factorization.

1206343216431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23475886 (or 23475883 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 1206343216431 in words is "one trillion, two hundred six billion, three hundred forty-three million, two hundred sixteen thousand, four hundred thirty-one".