212131241530442 has 64 divisors (see below), whose sum is σ = 345801897052416. Its totient is φ = 97016389286400.

The previous prime is 212131241530441. The next prime is 212131241530489. The reversal of 212131241530442 is 244035142131212.

It is not an unprimeable number, because it can be changed into a prime (212131241530441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3167380868 + ... + 3167447840.

It is an arithmetic number, because the mean of its divisors is an integer number (5403154641444).

Almost surely, 2^{212131241530442} is an apocalyptic number.

212131241530442 is a deficient number, since it is larger than the sum of its proper divisors (133670655521974).

212131241530442 is a wasteful number, since it uses less digits than its factorization.

212131241530442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69135.

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 212131241530442 its reverse (244035142131212), we get a palindrome (456166383661654).

The spelling of 212131241530442 in words is "two hundred twelve trillion, one hundred thirty-one billion, two hundred forty-one million, five hundred thirty thousand, four hundred forty-two".