612406202043 has 16 divisors (see below), whose sum is σ = 832333003776. Its totient is φ = 400450658400.

The previous prime is 612406202041. The next prime is 612406202077. The reversal of 612406202043 is 340202604216.

It is not a de Polignac number, because 612406202043 - 2¹ = 612406202041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 612406202043.

It is not an unprimeable number, because it can be changed into a prime (612406202041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9412171 + ... + 9477012.

It is an arithmetic number, because the mean of its divisors is an integer number (52020812736).

Almost surely, 2^612406202043 is an apocalyptic number.

612406202043 is a deficient number, since it is larger than the sum of its proper divisors (219926801733).

612406202043 is a wasteful number, since it uses less digits than its factorization.

612406202043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18889394.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 612406202043 its reverse (340202604216), we get a palindrome (952608806259).

The spelling of 612406202043 in words is "six hundred twelve billion, four hundred six million, two hundred two thousand, forty-three".