201240412141243 has 8 divisors (see below), whose sum is σ = 202104605353248. Its totient is φ = 200376223207104.

The previous prime is 201240412141229. The next prime is 201240412141261. The reversal of 201240412141243 is 342141214042102.

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 201240412141243 - 2²⁵ = 201240378586811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201240412145243) 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, 125107746 + ... + 126706072.

It is an arithmetic number, because the mean of its divisors is an integer number (25263075669156).

Almost surely, 2^{201240412141243} is an apocalyptic number.

201240412141243 is a deficient number, since it is larger than the sum of its proper divisors (864193212005).

201240412141243 is a wasteful number, since it uses less digits than its factorization.

201240412141243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138933.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 201240412141243 its reverse (342141214042102), we get a palindrome (543381626183345).

The spelling of 201240412141243 in words is "two hundred one trillion, two hundred forty billion, four hundred twelve million, one hundred forty-one thousand, two hundred forty-three".