12320220283837 has 2 divisors, whose sum is σ = 12320220283838. Its totient is φ = 12320220283836.

The previous prime is 12320220283817. The next prime is 12320220283843. The reversal of 12320220283837 is 73838202202321.

12320220283837 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11286838248921 + 1033382034916 = 3359589^2 + 1016554^2 .

It is a cyclic number.

It is not a de Polignac number, because 12320220283837 - 2³⁹ = 11770464469949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12320220283793 and 12320220283802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12320220283817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160110141918 + 6160110141919.

It is an arithmetic number, because the mean of its divisors is an integer number (6160110141919).

Almost surely, 2^{12320220283837} is an apocalyptic number.

It is an amenable number.

12320220283837 is a deficient number, since it is larger than the sum of its proper divisors (1).

12320220283837 is an equidigital number, since it uses as much as digits as its factorization.

12320220283837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 12320220283837 in words is "twelve trillion, three hundred twenty billion, two hundred twenty million, two hundred eighty-three thousand, eight hundred thirty-seven".