5212123431 has 8 divisors (see below), whose sum is σ = 6957129984. Its totient is φ = 3470932920.

The previous prime is 5212123393. The next prime is 5212123447. The reversal of 5212123431 is 1343212125.

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

It is not a de Polignac number, because 5212123431 - 2⁷ = 5212123303 is a prime.

It is a super-2 number, since 2×5212123431² = 54332461319958423522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5212123451) 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 7 ways as a sum of consecutive naturals, for example, 950821 + ... + 956286.

It is an arithmetic number, because the mean of its divisors is an integer number (869641248).

Almost surely, 2^5212123431 is an apocalyptic number.

5212123431 is a deficient number, since it is larger than the sum of its proper divisors (1745006553).

5212123431 is a wasteful number, since it uses less digits than its factorization.

5212123431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908021.

The product of its digits is 1440, while the sum is 24.

The square root of 5212123431 is about 72195.0374402562. The cubic root of 5212123431 is about 1733.8235490388.

Adding to 5212123431 its reverse (1343212125), we get a palindrome (6555335556).

The spelling of 5212123431 in words is "five billion, two hundred twelve million, one hundred twenty-three thousand, four hundred thirty-one".