52212168142 has 8 divisors (see below), whose sum is σ = 78321980016. Its totient is φ = 26104841472.

The previous prime is 52212168133. The next prime is 52212168157. The reversal of 52212168142 is 24186121225.

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

It is a super-2 number, since 2×52212168142² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52212168098 and 52212168107.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 567858 + ... + 653365.

It is an arithmetic number, because the mean of its divisors is an integer number (9790247502).

Almost surely, 2^52212168142 is an apocalyptic number.

52212168142 is a deficient number, since it is larger than the sum of its proper divisors (26109811874).

52212168142 is a wasteful number, since it uses less digits than its factorization.

52212168142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242602.

The product of its digits is 15360, while the sum is 34.

Adding to 52212168142 its reverse (24186121225), we get a palindrome (76398289367).

The spelling of 52212168142 in words is "fifty-two billion, two hundred twelve million, one hundred sixty-eight thousand, one hundred forty-two".