1201220000237 has 2 divisors, whose sum is σ = 1201220000238. Its totient is φ = 1201220000236.

The previous prime is 1201220000191. The next prime is 1201220000293. The reversal of 1201220000237 is 7320000221021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1185596500201 + 15623500036 = 1088851^2 + 124994^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201220000237 - 2¹⁸ = 1201219738093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201220000297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600610000118 + 600610000119.

It is an arithmetic number, because the mean of its divisors is an integer number (600610000119).

Almost surely, 2^{1201220000237} is an apocalyptic number.

It is an amenable number.

1201220000237 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201220000237 is an equidigital number, since it uses as much as digits as its factorization.

1201220000237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

Adding to 1201220000237 its reverse (7320000221021), we get a palindrome (8521220221258).

The spelling of 1201220000237 in words is "one trillion, two hundred one billion, two hundred twenty million, two hundred thirty-seven", and thus it is an aban number.