5021212123431 has 24 divisors (see below), whose sum is σ = 8302823193600. Its totient is φ = 2864473958736.

The previous prime is 5021212123429. The next prime is 5021212123439. The reversal of 5021212123431 is 1343212121205.

It is a happy number.

5021212123431 is a `hidden beast` number, since 5 + 0 + 2 + 1 + 212 + 12 + 3 + 431 = 666.

5021212123431 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5021212123431 - 2¹ = 5021212123429 is a prime.

It is a super-2 number, since 2×5021212123431² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5021212123395 and 5021212123404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5021212123439) 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 23 ways as a sum of consecutive naturals, for example, 66491295 + ... + 66566768.

It is an arithmetic number, because the mean of its divisors is an integer number (345950966400).

Almost surely, 2^{5021212123431} is an apocalyptic number.

5021212123431 is a deficient number, since it is larger than the sum of its proper divisors (3281611070169).

5021212123431 is a wasteful number, since it uses less digits than its factorization.

5021212123431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133058675 (or 133058672 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 5021212123431 its reverse (1343212121205), we get a palindrome (6364424244636).

The spelling of 5021212123431 in words is "five trillion, twenty-one billion, two hundred twelve million, one hundred twenty-three thousand, four hundred thirty-one".