201243500130401 has 8 divisors (see below), whose sum is σ = 206294346714624. Its totient is φ = 196199437762080.

The previous prime is 201243500130377. The next prime is 201243500130419. The reversal of 201243500130401 is 104031005342102.

It is a happy number.

201243500130401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 201243500130401 - 2²² = 201243495936097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201243500139401) 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, 1695993905 + ... + 1696112558.

It is an arithmetic number, because the mean of its divisors is an integer number (25786793339328).

Almost surely, 2^{201243500130401} is an apocalyptic number.

It is an amenable number.

201243500130401 is a deficient number, since it is larger than the sum of its proper divisors (5050846584223).

201243500130401 is a wasteful number, since it uses less digits than its factorization.

201243500130401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3392107951.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 201243500130401 its reverse (104031005342102), we get a palindrome (305274505472503).

The spelling of 201243500130401 in words is "two hundred one trillion, two hundred forty-three billion, five hundred million, one hundred thirty thousand, four hundred one".