212052115502 has 12 divisors (see below), whose sum is σ = 335700233856. Its totient is φ = 100445738580.

The previous prime is 212052115489. The next prime is 212052115523. The reversal of 212052115502 is 205511250212.

It is a happy number.

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 5 ways as a sum of consecutive naturals, for example, 146849774 + ... + 146851217.

It is an arithmetic number, because the mean of its divisors is an integer number (27975019488).

Almost surely, 2^212052115502 is an apocalyptic number.

212052115502 is a deficient number, since it is larger than the sum of its proper divisors (123648118354).

212052115502 is a wasteful number, since it uses less digits than its factorization.

212052115502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293701031 (or 293701012 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 212052115502 its reverse (205511250212), we get a palindrome (417563365714).

The spelling of 212052115502 in words is "two hundred twelve billion, fifty-two million, one hundred fifteen thousand, five hundred two".