2000122120997 has 32 divisors (see below), whose sum is σ = 2686063779840. Its totient is φ = 1438335817920.

The previous prime is 2000122120979. The next prime is 2000122121009. The reversal of 2000122120997 is 7990212210002.

It is a cyclic number.

It is not a de Polignac number, because 2000122120997 - 2¹⁰ = 2000122119973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000122120967) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4428278 + ... + 4859000.

It is an arithmetic number, because the mean of its divisors is an integer number (83939493120).

Almost surely, 2^{2000122120997} is an apocalyptic number.

It is an amenable number.

2000122120997 is a deficient number, since it is larger than the sum of its proper divisors (685941658843).

2000122120997 is a wasteful number, since it uses less digits than its factorization.

2000122120997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435393.

The product of its (nonzero) digits is 9072, while the sum is 35.

Adding to 2000122120997 its reverse (7990212210002), we get a palindrome (9990334330999).

The spelling of 2000122120997 in words is "two trillion, one hundred twenty-two million, one hundred twenty thousand, nine hundred ninety-seven".