10012212257 has 2 divisors, whose sum is σ = 10012212258. Its totient is φ = 10012212256.

The previous prime is 10012212253. The next prime is 10012212277. The reversal of 10012212257 is 75221221001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9920359201 + 91853056 = 99601^2 + 9584^2 .

It is a cyclic number.

It is not a de Polignac number, because 10012212257 - 2² = 10012212253 is a prime.

It is not a weakly prime, because it can be changed into another prime (10012212253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5006106128 + 5006106129.

It is an arithmetic number, because the mean of its divisors is an integer number (5006106129).

Almost surely, 2^10012212257 is an apocalyptic number.

It is an amenable number.

10012212257 is a deficient number, since it is larger than the sum of its proper divisors (1).

10012212257 is an equidigital number, since it uses as much as digits as its factorization.

10012212257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 23.

Adding to 10012212257 its reverse (75221221001), we get a palindrome (85233433258).

The spelling of 10012212257 in words is "ten billion, twelve million, two hundred twelve thousand, two hundred fifty-seven".