12002010010981 has 2 divisors, whose sum is σ = 12002010010982. Its totient is φ = 12002010010980.

The previous prime is 12002010010933. The next prime is 12002010011053. The reversal of 12002010010981 is 18901001020021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7847791534881 + 4154218476100 = 2801391^2 + 2038190^2 .

It is a cyclic number.

It is not a de Polignac number, because 12002010010981 - 2²⁵ = 12001976456549 is a prime.

It is a super-2 number, since 2×12002010010981² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12002010010181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6001005005490 + 6001005005491.

It is an arithmetic number, because the mean of its divisors is an integer number (6001005005491).

Almost surely, 2^{12002010010981} is an apocalyptic number.

It is an amenable number.

12002010010981 is a deficient number, since it is larger than the sum of its proper divisors (1).

12002010010981 is an equidigital number, since it uses as much as digits as its factorization.

12002010010981 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 25.

The spelling of 12002010010981 in words is "twelve trillion, two billion, ten million, ten thousand, nine hundred eighty-one".