202102012212073 has 2 divisors, whose sum is σ = 202102012212074. Its totient is φ = 202102012212072.

The previous prime is 202102012211989. The next prime is 202102012212179. The reversal of 202102012212073 is 370212210201202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187588441941849 + 14513570270224 = 13696293^2 + 3809668^2 .

It is a cyclic number.

It is not a de Polignac number, because 202102012212073 - 2¹³ = 202102012203881 is a prime.

It is not a weakly prime, because it can be changed into another prime (202102012212973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101051006106036 + 101051006106037.

It is an arithmetic number, because the mean of its divisors is an integer number (101051006106037).

Almost surely, 2^{202102012212073} is an apocalyptic number.

It is an amenable number.

202102012212073 is a deficient number, since it is larger than the sum of its proper divisors (1).

202102012212073 is an equidigital number, since it uses as much as digits as its factorization.

202102012212073 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 25.

Adding to 202102012212073 its reverse (370212210201202), we get a palindrome (572314222413275).

The spelling of 202102012212073 in words is "two hundred two trillion, one hundred two billion, twelve million, two hundred twelve thousand, seventy-three".