212433442143231 has 32 divisors (see below), whose sum is σ = 293790218097600. Its totient is φ = 136470292300800.

The previous prime is 212433442143217. The next prime is 212433442143383. The reversal of 212433442143231 is 132341244334212.

It is not a de Polignac number, because 212433442143231 - 2³⁷ = 212296003189759 is a prime.

It is a super-2 number, since 2×212433442143231² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212433442143231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212433442143211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51371580 + ... + 55352561.

It is an arithmetic number, because the mean of its divisors is an integer number (9180944315550).

Almost surely, 2^{212433442143231} is an apocalyptic number.

212433442143231 is a deficient number, since it is larger than the sum of its proper divisors (81356775954369).

212433442143231 is a wasteful number, since it uses less digits than its factorization.

212433442143231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106724427.

The product of its digits is 331776, while the sum is 39.

Adding to 212433442143231 its reverse (132341244334212), we get a palindrome (344774686477443).

The spelling of 212433442143231 in words is "two hundred twelve trillion, four hundred thirty-three billion, four hundred forty-two million, one hundred forty-three thousand, two hundred thirty-one".