10212567647 has 4 divisors (see below), whose sum is σ = 10215948960. Its totient is φ = 10209186336.

The previous prime is 10212567643. The next prime is 10212567679. The reversal of 10212567647 is 74676521201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74676521201 = 947 ⋅78855883.

It is a cyclic number.

It is not a de Polignac number, because 10212567647 - 2² = 10212567643 is a prime.

It is a super-2 number, since 2×10212567647² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212567643) 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 3 ways as a sum of consecutive naturals, for example, 1686122 + ... + 1692167.

It is an arithmetic number, because the mean of its divisors is an integer number (2553987240).

Almost surely, 2^10212567647 is an apocalyptic number.

10212567647 is a deficient number, since it is larger than the sum of its proper divisors (3381313).

10212567647 is an equidigital number, since it uses as much as digits as its factorization.

10212567647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3381312.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 10212567647 in words is "ten billion, two hundred twelve million, five hundred sixty-seven thousand, six hundred forty-seven".