10020012210997 has 2 divisors, whose sum is σ = 10020012210998. Its totient is φ = 10020012210996.

The previous prime is 10020012210961. The next prime is 10020012211009. The reversal of 10020012210997 is 79901221002001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9782920150756 + 237092060241 = 3127766^2 + 486921^2 .

It is a cyclic number.

It is not a de Polignac number, because 10020012210997 - 2¹⁵ = 10020012178229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10020012210697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010006105498 + 5010006105499.

It is an arithmetic number, because the mean of its divisors is an integer number (5010006105499).

Almost surely, 2^{10020012210997} is an apocalyptic number.

It is an amenable number.

10020012210997 is a deficient number, since it is larger than the sum of its proper divisors (1).

10020012210997 is an equidigital number, since it uses as much as digits as its factorization.

10020012210997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 34.

Adding to 10020012210997 its reverse (79901221002001), we get a palindrome (89921233212998).

The spelling of 10020012210997 in words is "ten trillion, twenty billion, twelve million, two hundred ten thousand, nine hundred ninety-seven".