12020022137 has 2 divisors, whose sum is σ = 12020022138. Its totient is φ = 12020022136.

The previous prime is 12020022107. The next prime is 12020022143. The reversal of 12020022137 is 73122002021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11923766416 + 96255721 = 109196^2 + 9811^2 .

It is an emirp because it is prime and its reverse (73122002021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12020022137 is a prime.

It is not a weakly prime, because it can be changed into another prime (12020022107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010011068 + 6010011069.

It is an arithmetic number, because the mean of its divisors is an integer number (6010011069).

Almost surely, 2^12020022137 is an apocalyptic number.

It is an amenable number.

12020022137 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020022137 is an equidigital number, since it uses as much as digits as its factorization.

12020022137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

Adding to 12020022137 its reverse (73122002021), we get a palindrome (85142024158).

The spelling of 12020022137 in words is "twelve billion, twenty million, twenty-two thousand, one hundred thirty-seven".