212341213244431 has 8 divisors (see below), whose sum is σ = 214531856365680. Its totient is φ = 210150601928448.

The previous prime is 212341213244351. The next prime is 212341213244473. The reversal of 212341213244431 is 134442312143212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212341213244431 is a prime.

It is a super-2 number, since 2×212341213244431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212341213244731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5588460 + ... + 21352126.

It is an arithmetic number, because the mean of its divisors is an integer number (26816482045710).

Almost surely, 2^{212341213244431} is an apocalyptic number.

212341213244431 is a deficient number, since it is larger than the sum of its proper divisors (2190643121249).

212341213244431 is a wasteful number, since it uses less digits than its factorization.

212341213244431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15902633.

The product of its digits is 110592, while the sum is 37.

Adding to 212341213244431 its reverse (134442312143212), we get a palindrome (346783525387643).

The spelling of 212341213244431 in words is "two hundred twelve trillion, three hundred forty-one billion, two hundred thirteen million, two hundred forty-four thousand, four hundred thirty-one".