212124422143431 has 48 divisors (see below), whose sum is σ = 359770471377408. Its totient is φ = 117894395678400.

The previous prime is 212124422143421. The next prime is 212124422143441. The reversal of 212124422143431 is 134341224421212.

212124422143431 is a `hidden beast` number, since 2 + 1 + 2 + 1 + 2 + 4 + 4 + 2 + 214 + 3 + 431 = 666.

212124422143431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (212124422143421) and next prime (212124422143441).

It is not a de Polignac number, because 212124422143431 - 2⁵ = 212124422143399 is a prime.

It is a super-2 number, since 2×212124422143431² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212124422143421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10464405 + ... + 23103086.

It is an arithmetic number, because the mean of its divisors is an integer number (7495218153696).

Almost surely, 2^{212124422143431} is an apocalyptic number.

212124422143431 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

212124422143431 is a deficient number, since it is larger than the sum of its proper divisors (147646049233977).

212124422143431 is a wasteful number, since it uses less digits than its factorization.

212124422143431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33570252 (or 33570249 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

Adding to 212124422143431 its reverse (134341224421212), we get a palindrome (346465646564643).

The spelling of 212124422143431 in words is "two hundred twelve trillion, one hundred twenty-four billion, four hundred twenty-two million, one hundred forty-three thousand, four hundred thirty-one".