12000200981 has 2 divisors, whose sum is σ = 12000200982. Its totient is φ = 12000200980.

The previous prime is 12000200969. The next prime is 12000201007. The reversal of 12000200981 is 18900200021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11344380100 + 655820881 = 106510^2 + 25609^2 .

It is a cyclic number.

It is not a de Polignac number, because 12000200981 - 2²² = 11996006677 is a prime.

It is a super-2 number, since 2×12000200981² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12000200911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000100490 + 6000100491.

It is an arithmetic number, because the mean of its divisors is an integer number (6000100491).

Almost surely, 2^12000200981 is an apocalyptic number.

It is an amenable number.

12000200981 is a deficient number, since it is larger than the sum of its proper divisors (1).

12000200981 is an equidigital number, since it uses as much as digits as its factorization.

12000200981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 12000200981 in words is "twelve billion, two hundred thousand, nine hundred eighty-one".