10212339947 has 2 divisors, whose sum is σ = 10212339948. Its totient is φ = 10212339946.

The previous prime is 10212339877. The next prime is 10212339961. The reversal of 10212339947 is 74993321201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10212339947 - 2⁸ = 10212339691 is a prime.

It is not a weakly prime, because it can be changed into another prime (10212339847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106169973 + 5106169974.

It is an arithmetic number, because the mean of its divisors is an integer number (5106169974).

Almost surely, 2^10212339947 is an apocalyptic number.

10212339947 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212339947 is an equidigital number, since it uses as much as digits as its factorization.

10212339947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 41.

The spelling of 10212339947 in words is "ten billion, two hundred twelve million, three hundred thirty-nine thousand, nine hundred forty-seven".