201212434 has 8 divisors (see below), whose sum is σ = 302886000. Its totient is φ = 100250436.

The previous prime is 201212419. The next prime is 201212443. The reversal of 201212434 is 434212102.

201212434 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177184 + ... + 178315.

It is an arithmetic number, because the mean of its divisors is an integer number (37860750).

Almost surely, 2^201212434 is an apocalyptic number.

201212434 is a deficient number, since it is larger than the sum of its proper divisors (101673566).

201212434 is a wasteful number, since it uses less digits than its factorization.

201212434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355784.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 201212434 is about 14184.9368697925. The cubic root of 201212434 is about 585.9828938850.

Adding to 201212434 its reverse (434212102), we get a palindrome (635424536).

The spelling of 201212434 in words is "two hundred one million, two hundred twelve thousand, four hundred thirty-four".