12210219937 has 2 divisors, whose sum is σ = 12210219938. Its totient is φ = 12210219936.

The previous prime is 12210219919. The next prime is 12210219947. The reversal of 12210219937 is 73991201221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10215347041 + 1994872896 = 101071^2 + 44664^2 .

It is a cyclic number.

It is not a de Polignac number, because 12210219937 - 2²⁷ = 12076002209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12210219896 and 12210219905.

It is not a weakly prime, because it can be changed into another prime (12210219947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105109968 + 6105109969.

It is an arithmetic number, because the mean of its divisors is an integer number (6105109969).

Almost surely, 2^12210219937 is an apocalyptic number.

It is an amenable number.

12210219937 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210219937 is an equidigital number, since it uses as much as digits as its factorization.

12210219937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 37.

The spelling of 12210219937 in words is "twelve billion, two hundred ten million, two hundred nineteen thousand, nine hundred thirty-seven".