12001111020287 has 2 divisors, whose sum is σ = 12001111020288. Its totient is φ = 12001111020286.

The previous prime is 12001111020233. The next prime is 12001111020313. The reversal of 12001111020287 is 78202011110021.

It is a happy number.

It is an a-pointer prime, because the next prime (12001111020313) can be obtained adding 12001111020287 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12001111020287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12001111022287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000555510143 + 6000555510144.

It is an arithmetic number, because the mean of its divisors is an integer number (6000555510144).

Almost surely, 2^{12001111020287} is an apocalyptic number.

12001111020287 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001111020287 is an equidigital number, since it uses as much as digits as its factorization.

12001111020287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 26.

The spelling of 12001111020287 in words is "twelve trillion, one billion, one hundred eleven million, twenty thousand, two hundred eighty-seven".