612113012011 has 2 divisors, whose sum is σ = 612113012012. Its totient is φ = 612113012010.

The previous prime is 612113011973. The next prime is 612113012081. The reversal of 612113012011 is 110210311216.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 612113012011 - 2²¹ = 612110914859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 612113012011.

It is not a weakly prime, because it can be changed into another prime (612113012081) 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 as a sum of consecutive naturals, namely, 306056506005 + 306056506006.

It is an arithmetic number, because the mean of its divisors is an integer number (306056506006).

Almost surely, 2^612113012011 is an apocalyptic number.

612113012011 is a deficient number, since it is larger than the sum of its proper divisors (1).

612113012011 is an equidigital number, since it uses as much as digits as its factorization.

612113012011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 612113012011 its reverse (110210311216), we get a palindrome (722323323227).

The spelling of 612113012011 in words is "six hundred twelve billion, one hundred thirteen million, twelve thousand, eleven".