12020020221037 has 2 divisors, whose sum is σ = 12020020221038. Its totient is φ = 12020020221036.

The previous prime is 12020020220993. The next prime is 12020020221043. The reversal of 12020020221037 is 73012202002021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8371179103401 + 3648841117636 = 2893299^2 + 1910194^2 .

It is a cyclic number.

It is not a de Polignac number, because 12020020221037 - 2¹⁹ = 12020019696749 is a prime.

It is a super-2 number, since 2×12020020221037² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12020020220999 and 12020020221017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12020020221437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010010110518 + 6010010110519.

It is an arithmetic number, because the mean of its divisors is an integer number (6010010110519).

Almost surely, 2^{12020020221037} is an apocalyptic number.

It is an amenable number.

12020020221037 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020020221037 is an equidigital number, since it uses as much as digits as its factorization.

12020020221037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

Adding to 12020020221037 its reverse (73012202002021), we get a palindrome (85032222223058).

The spelling of 12020020221037 in words is "twelve trillion, twenty billion, twenty million, two hundred twenty-one thousand, thirty-seven".