12662651011 has 2 divisors, whose sum is σ = 12662651012. Its totient is φ = 12662651010.

The previous prime is 12662651009. The next prime is 12662651021. The reversal of 12662651011 is 11015626621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12662651011 - 2¹ = 12662651009 is a prime.

Together with 12662651009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12662651021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6331325505 + 6331325506.

It is an arithmetic number, because the mean of its divisors is an integer number (6331325506).

Almost surely, 2^12662651011 is an apocalyptic number.

12662651011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12662651011 is an equidigital number, since it uses as much as digits as its factorization.

12662651011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

The spelling of 12662651011 in words is "twelve billion, six hundred sixty-two million, six hundred fifty-one thousand, eleven".