12002020237 has 2 divisors, whose sum is σ = 12002020238. Its totient is φ = 12002020236.

The previous prime is 12002020223. The next prime is 12002020259. The reversal of 12002020237 is 73202020021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11685393801 + 316626436 = 108099^2 + 17794^2 .

It is a cyclic number.

It is not a de Polignac number, because 12002020237 - 2³¹ = 9854536589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12002021237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6001010118 + 6001010119.

It is an arithmetic number, because the mean of its divisors is an integer number (6001010119).

Almost surely, 2^12002020237 is an apocalyptic number.

It is an amenable number.

12002020237 is a deficient number, since it is larger than the sum of its proper divisors (1).

12002020237 is an equidigital number, since it uses as much as digits as its factorization.

12002020237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 19.

Adding to 12002020237 its reverse (73202020021), we get a palindrome (85204040258).

The spelling of 12002020237 in words is "twelve billion, two million, twenty thousand, two hundred thirty-seven".