12010999997 has 2 divisors, whose sum is σ = 12010999998. Its totient is φ = 12010999996.

The previous prime is 12010999991. The next prime is 12011000011. The reversal of 12010999997 is 79999901021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9908410681 + 2102589316 = 99541^2 + 45854^2 .

It is a cyclic number.

It is not a de Polignac number, because 12010999997 - 2¹⁴ = 12010983613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12010999991) 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, 6005499998 + 6005499999.

It is an arithmetic number, because the mean of its divisors is an integer number (6005499999).

Almost surely, 2^12010999997 is an apocalyptic number.

It is an amenable number.

12010999997 is a deficient number, since it is larger than the sum of its proper divisors (1).

12010999997 is an equidigital number, since it uses as much as digits as its factorization.

12010999997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 826686, while the sum is 56.

The spelling of 12010999997 in words is "twelve billion, ten million, nine hundred ninety-nine thousand, nine hundred ninety-seven".