1201012000997 has 2 divisors, whose sum is σ = 1201012000998. Its totient is φ = 1201012000996.

The previous prime is 1201012000987. The next prime is 1201012001009. The reversal of 1201012000997 is 7990002101021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 743649247201 + 457362753796 = 862351^2 + 676286^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201012000997 - 2¹⁰ = 1201011999973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201012000957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600506000498 + 600506000499.

It is an arithmetic number, because the mean of its divisors is an integer number (600506000499).

Almost surely, 2^{1201012000997} is an apocalyptic number.

It is an amenable number.

1201012000997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201012000997 is an equidigital number, since it uses as much as digits as its factorization.

1201012000997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 32.

The spelling of 1201012000997 in words is "one trillion, two hundred one billion, twelve million, nine hundred ninety-seven", and thus it is an aban number.