212411442434 has 32 divisors (see below), whose sum is σ = 334426309632. Its totient is φ = 101052648000.

The previous prime is 212411442433. The next prime is 212411442497. The reversal of 212411442434 is 434244114212.

It is a self number, because there is not a number n which added to its sum of digits gives 212411442434.

It is not an unprimeable number, because it can be changed into a prime (212411442433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10242644 + ... + 10263360.

It is an arithmetic number, because the mean of its divisors is an integer number (10450822176).

Almost surely, 2^212411442434 is an apocalyptic number.

212411442434 is a deficient number, since it is larger than the sum of its proper divisors (122014867198).

212411442434 is a wasteful number, since it uses less digits than its factorization.

212411442434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23522.

The product of its digits is 24576, while the sum is 32.

Adding to 212411442434 its reverse (434244114212), we get a palindrome (646655556646).

The spelling of 212411442434 in words is "two hundred twelve billion, four hundred eleven million, four hundred forty-two thousand, four hundred thirty-four".