1012120002097 has 4 divisors (see below), whose sum is σ = 1012260328180. Its totient is φ = 1011979676016.

The previous prime is 1012120002079. The next prime is 1012120002139. The reversal of 1012120002097 is 7902000212101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 950437809216 + 61682192881 = 974904^2 + 248359^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012120002097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012120005097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70152222 + ... + 70166647.

It is an arithmetic number, because the mean of its divisors is an integer number (253065082045).

Almost surely, 2^{1012120002097} is an apocalyptic number.

It is an amenable number.

1012120002097 is a deficient number, since it is larger than the sum of its proper divisors (140326083).

1012120002097 is an equidigital number, since it uses as much as digits as its factorization.

1012120002097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140326082.

The product of its (nonzero) digits is 504, while the sum is 25.

Adding to 1012120002097 its reverse (7902000212101), we get a palindrome (8914120214198).

The spelling of 1012120002097 in words is "one trillion, twelve billion, one hundred twenty million, two thousand, ninety-seven".