1012011109997 has 2 divisors, whose sum is σ = 1012011109998. Its totient is φ = 1012011109996.

The previous prime is 1012011109969. The next prime is 1012011110029. The reversal of 1012011109997 is 7999011102101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 680527653481 + 331483456516 = 824941^2 + 575746^2 .

It is an emirp because it is prime and its reverse (7999011102101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1012011109997 - 2¹⁰ = 1012011108973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012011109297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506005554998 + 506005554999.

It is an arithmetic number, because the mean of its divisors is an integer number (506005554999).

Almost surely, 2^{1012011109997} is an apocalyptic number.

It is an amenable number.

1012011109997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012011109997 is an equidigital number, since it uses as much as digits as its factorization.

1012011109997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 41.

The spelling of 1012011109997 in words is "one trillion, twelve billion, eleven million, one hundred nine thousand, nine hundred ninety-seven".