12032021137 has 2 divisors, whose sum is σ = 12032021138. Its totient is φ = 12032021136.

The previous prime is 12032021093. The next prime is 12032021143. The reversal of 12032021137 is 73112023021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6712361041 + 5319660096 = 81929^2 + 72936^2 .

It is a cyclic number.

It is not a de Polignac number, because 12032021137 - 2¹¹ = 12032019089 is a prime.

It is not a weakly prime, because it can be changed into another prime (12032021437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6016010568 + 6016010569.

It is an arithmetic number, because the mean of its divisors is an integer number (6016010569).

Almost surely, 2^12032021137 is an apocalyptic number.

It is an amenable number.

12032021137 is a deficient number, since it is larger than the sum of its proper divisors (1).

12032021137 is an equidigital number, since it uses as much as digits as its factorization.

12032021137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

Adding to 12032021137 its reverse (73112023021), we get a palindrome (85144044158).

The spelling of 12032021137 in words is "twelve billion, thirty-two million, twenty-one thousand, one hundred thirty-seven".