201112420434 has 64 divisors (see below), whose sum is σ = 409813985280. Its totient is φ = 65785996800.

The previous prime is 201112420381. The next prime is 201112420441. The reversal of 201112420434 is 434024211102.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56506347 + ... + 56509905.

It is an arithmetic number, because the mean of its divisors is an integer number (6403343520).

Almost surely, 2^201112420434 is an apocalyptic number.

201112420434 is an abundant number, since it is smaller than the sum of its proper divisors (208701564846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201112420434 is a wasteful number, since it uses less digits than its factorization.

201112420434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4455.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 201112420434 its reverse (434024211102), we get a palindrome (635136631536).

The spelling of 201112420434 in words is "two hundred one billion, one hundred twelve million, four hundred twenty thousand, four hundred thirty-four".