20012122210037 has 2 divisors, whose sum is σ = 20012122210038. Its totient is φ = 20012122210036.

The previous prime is 20012122210027. The next prime is 20012122210039. The reversal of 20012122210037 is 73001222121002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18211778160676 + 1800344049361 = 4267526^2 + 1341769^2 .

It is a cyclic number.

It is not a de Polignac number, because 20012122210037 - 2²⁴ = 20012105432821 is a prime.

It is a super-2 number, since 2×20012122210037² (a number of 27 digits) contains 22 as substring.

Together with 20012122210039, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 20012122209994 and 20012122210021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20012122210039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006061105018 + 10006061105019.

It is an arithmetic number, because the mean of its divisors is an integer number (10006061105019).

Almost surely, 2^{20012122210037} is an apocalyptic number.

It is an amenable number.

20012122210037 is a deficient number, since it is larger than the sum of its proper divisors (1).

20012122210037 is an equidigital number, since it uses as much as digits as its factorization.

20012122210037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 20012122210037 its reverse (73001222121002), we get a palindrome (93013344331039).

The spelling of 20012122210037 in words is "twenty trillion, twelve billion, one hundred twenty-two million, two hundred ten thousand, thirty-seven".