20010012002137 has 2 divisors, whose sum is σ = 20010012002138. Its totient is φ = 20010012002136.

The previous prime is 20010012002111. The next prime is 20010012002209. The reversal of 20010012002137 is 73120021001002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15156609136201 + 4853402865936 = 3893149^2 + 2203044^2 .

It is a cyclic number.

It is not a de Polignac number, because 20010012002137 - 2⁷ = 20010012002009 is a prime.

It is not a weakly prime, because it can be changed into another prime (20010012002237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005006001068 + 10005006001069.

It is an arithmetic number, because the mean of its divisors is an integer number (10005006001069).

Almost surely, 2^{20010012002137} is an apocalyptic number.

It is an amenable number.

20010012002137 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010012002137 is an equidigital number, since it uses as much as digits as its factorization.

20010012002137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

Adding to 20010012002137 its reverse (73120021001002), we get a palindrome (93130033003139).

The spelling of 20010012002137 in words is "twenty trillion, ten billion, twelve million, two thousand, one hundred thirty-seven".