201002120197 has 8 divisors (see below), whose sum is σ = 207960042240. Its totient is φ = 194045985840.

The previous prime is 201002120161. The next prime is 201002120201. The reversal of 201002120197 is 791021200102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201002120197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201002120897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216129 + ... + 669862.

It is an arithmetic number, because the mean of its divisors is an integer number (25995005280).

Almost surely, 2^201002120197 is an apocalyptic number.

It is an amenable number.

201002120197 is a deficient number, since it is larger than the sum of its proper divisors (6957922043).

201002120197 is an equidigital number, since it uses as much as digits as its factorization.

201002120197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893843.

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

Adding to 201002120197 its reverse (791021200102), we get a palindrome (992023320299).

The spelling of 201002120197 in words is "two hundred one billion, two million, one hundred twenty thousand, one hundred ninety-seven".