201134212043 has 4 divisors (see below), whose sum is σ = 209879177808. Its totient is φ = 192389246280.

The previous prime is 201134212039. The next prime is 201134212073. The reversal of 201134212043 is 340212431102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340212431102 = 2 ⋅170106215551.

It is a cyclic number.

It is not a de Polignac number, because 201134212043 - 2² = 201134212039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 8744965741 = 201134212043 / (2 + 0 + 1 + 1 + 3 + 4 + 2 + 1 + 2 + 0 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201134212033) 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, 4372482848 + ... + 4372482893.

It is an arithmetic number, because the mean of its divisors is an integer number (52469794452).

Almost surely, 2^201134212043 is an apocalyptic number.

201134212043 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

201134212043 is a deficient number, since it is larger than the sum of its proper divisors (8744965765).

201134212043 is an equidigital number, since it uses as much as digits as its factorization.

201134212043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8744965764.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 201134212043 its reverse (340212431102), we get a palindrome (541346643145).

The spelling of 201134212043 in words is "two hundred one billion, one hundred thirty-four million, two hundred twelve thousand, forty-three".