2001212102737 has 2 divisors, whose sum is σ = 2001212102738. Its totient is φ = 2001212102736.

The previous prime is 2001212102713. The next prime is 2001212102797. The reversal of 2001212102737 is 7372012121002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1857540023056 + 143672079681 = 1362916^2 + 379041^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2001212102737 is a prime.

It is not a weakly prime, because it can be changed into another prime (2001212102797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000606051368 + 1000606051369.

It is an arithmetic number, because the mean of its divisors is an integer number (1000606051369).

Almost surely, 2^{2001212102737} is an apocalyptic number.

It is an amenable number.

2001212102737 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001212102737 is an equidigital number, since it uses as much as digits as its factorization.

2001212102737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 28.

Adding to 2001212102737 its reverse (7372012121002), we get a palindrome (9373224223739).

The spelling of 2001212102737 in words is "two trillion, one billion, two hundred twelve million, one hundred two thousand, seven hundred thirty-seven".