12021010099997 has 2 divisors, whose sum is σ = 12021010099998. Its totient is φ = 12021010099996.

The previous prime is 12021010099993. The next prime is 12021010100003. The reversal of 12021010099997 is 79999001012021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11792761215481 + 228248884516 = 3434059^2 + 477754^2 .

It is a cyclic number.

It is not a de Polignac number, because 12021010099997 - 2² = 12021010099993 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12021010099993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010505049998 + 6010505049999.

It is an arithmetic number, because the mean of its divisors is an integer number (6010505049999).

Almost surely, 2^{12021010099997} is an apocalyptic number.

It is an amenable number.

12021010099997 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021010099997 is an equidigital number, since it uses as much as digits as its factorization.

12021010099997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 183708, while the sum is 50.

The spelling of 12021010099997 in words is "twelve trillion, twenty-one billion, ten million, ninety-nine thousand, nine hundred ninety-seven".