2012305651 has 2 divisors, whose sum is σ = 2012305652. Its totient is φ = 2012305650.

The previous prime is 2012305639. The next prime is 2012305681. The reversal of 2012305651 is 1565032102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2012305651 is a prime.

It is not a weakly prime, because it can be changed into another prime (2012305601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006152825 + 1006152826.

It is an arithmetic number, because the mean of its divisors is an integer number (1006152826).

Almost surely, 2^2012305651 is an apocalyptic number.

2012305651 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012305651 is an equidigital number, since it uses as much as digits as its factorization.

2012305651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 2012305651 is about 44858.7299307504. The cubic root of 2012305651 is about 1262.4997930399.

Adding to 2012305651 its reverse (1565032102), we get a palindrome (3577337753).

The spelling of 2012305651 in words is "two billion, twelve million, three hundred five thousand, six hundred fifty-one".