20102012137 has 2 divisors, whose sum is σ = 20102012138. Its totient is φ = 20102012136.

The previous prime is 20102012131. The next prime is 20102012143. The reversal of 20102012137 is 73121020102.

It is a balanced prime because it is at equal distance from previous prime (20102012131) and next prime (20102012143).

It can be written as a sum of positive squares in only one way, i.e., 19247677696 + 854334441 = 138736^2 + 29229^2 .

It is a cyclic number.

It is not a de Polignac number, because 20102012137 - 2³ = 20102012129 is a prime.

It is not a weakly prime, because it can be changed into another prime (20102012131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051006068 + 10051006069.

It is an arithmetic number, because the mean of its divisors is an integer number (10051006069).

Almost surely, 2^20102012137 is an apocalyptic number.

It is an amenable number.

20102012137 is a deficient number, since it is larger than the sum of its proper divisors (1).

20102012137 is an equidigital number, since it uses as much as digits as its factorization.

20102012137 is an evil number, because the sum of its binary digits is even.

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

Adding to 20102012137 its reverse (73121020102), we get a palindrome (93223032239).

The spelling of 20102012137 in words is "twenty billion, one hundred two million, twelve thousand, one hundred thirty-seven".