120999944011237 has 2 divisors, whose sum is σ = 120999944011238. Its totient is φ = 120999944011236.

The previous prime is 120999944011217. The next prime is 120999944011259. The reversal of 120999944011237 is 732110449999021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107917898829316 + 13082045181921 = 10388354^2 + 3616911^2 .

It is an emirp because it is prime and its reverse (732110449999021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120999944011237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120999944011217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60499972005618 + 60499972005619.

It is an arithmetic number, because the mean of its divisors is an integer number (60499972005619).

Almost surely, 2^{120999944011237} is an apocalyptic number.

It is an amenable number.

120999944011237 is a deficient number, since it is larger than the sum of its proper divisors (1).

120999944011237 is an equidigital number, since it uses as much as digits as its factorization.

120999944011237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8817984, while the sum is 61.

The spelling of 120999944011237 in words is "one hundred twenty trillion, nine hundred ninety-nine billion, nine hundred forty-four million, eleven thousand, two hundred thirty-seven".