12211021037 has 2 divisors, whose sum is σ = 12211021038. Its totient is φ = 12211021036.

The previous prime is 12211020971. The next prime is 12211021093. The reversal of 12211021037 is 73012011221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11444506441 + 766514596 = 106979^2 + 27686^2 .

It is a cyclic number.

It is not a de Polignac number, because 12211021037 - 2¹⁰ = 12211020013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12211029037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105510518 + 6105510519.

It is an arithmetic number, because the mean of its divisors is an integer number (6105510519).

Almost surely, 2^12211021037 is an apocalyptic number.

It is an amenable number.

12211021037 is a deficient number, since it is larger than the sum of its proper divisors (1).

12211021037 is an equidigital number, since it uses as much as digits as its factorization.

12211021037 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 20.

Adding to 12211021037 its reverse (73012011221), we get a palindrome (85223032258).

The spelling of 12211021037 in words is "twelve billion, two hundred eleven million, twenty-one thousand, thirty-seven".