201199944001237 has 2 divisors, whose sum is σ = 201199944001238. Its totient is φ = 201199944001236.

The previous prime is 201199944001193. The next prime is 201199944001351. The reversal of 201199944001237 is 732100449991102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187802521259236 + 13397422742001 = 13704106^2 + 3660249^2 .

It is a cyclic number.

It is not a de Polignac number, because 201199944001237 - 2¹⁹ = 201199943476949 is a prime.

It is a super-2 number, since 2×201199944001237² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201199944004237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100599972000618 + 100599972000619.

It is an arithmetic number, because the mean of its divisors is an integer number (100599972000619).

Almost surely, 2^{201199944001237} is an apocalyptic number.

It is an amenable number.

201199944001237 is a deficient number, since it is larger than the sum of its proper divisors (1).

201199944001237 is an equidigital number, since it uses as much as digits as its factorization.

201199944001237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 52.

The spelling of 201199944001237 in words is "two hundred one trillion, one hundred ninety-nine billion, nine hundred forty-four million, one thousand, two hundred thirty-seven".