1232020009237 has 2 divisors, whose sum is σ = 1232020009238. Its totient is φ = 1232020009236.

The previous prime is 1232020009223. The next prime is 1232020009243. The reversal of 1232020009237 is 7329000202321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 970867326276 + 261152682961 = 985326^2 + 511031^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232020009237 - 2²³ = 1232011620629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1232020009199 and 1232020009208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232020009537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616010004618 + 616010004619.

It is an arithmetic number, because the mean of its divisors is an integer number (616010004619).

Almost surely, 2^{1232020009237} is an apocalyptic number.

It is an amenable number.

1232020009237 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232020009237 is an equidigital number, since it uses as much as digits as its factorization.

1232020009237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The spelling of 1232020009237 in words is "one trillion, two hundred thirty-two billion, twenty million, nine thousand, two hundred thirty-seven".