10012211687 has 2 divisors, whose sum is σ = 10012211688. Its totient is φ = 10012211686.

The previous prime is 10012211683. The next prime is 10012211689. The reversal of 10012211687 is 78611221001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10012211687 - 2² = 10012211683 is a prime.

Together with 10012211689, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10012211683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5006105843 + 5006105844.

It is an arithmetic number, because the mean of its divisors is an integer number (5006105844).

Almost surely, 2^10012211687 is an apocalyptic number.

10012211687 is a deficient number, since it is larger than the sum of its proper divisors (1).

10012211687 is an equidigital number, since it uses as much as digits as its factorization.

10012211687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 29.

Adding to 10012211687 its reverse (78611221001), we get a palindrome (88623432688).

The spelling of 10012211687 in words is "ten billion, twelve million, two hundred eleven thousand, six hundred eighty-seven".