212252234322550 has 48 divisors (see below), whose sum is σ = 404476882260192. Its totient is φ = 82842167116800.

The previous prime is 212252234322521. The next prime is 212252234322559. The reversal of 212252234322550 is 55223432252212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212252234322559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 307848237 + ... + 308536936.

It is an arithmetic number, because the mean of its divisors is an integer number (8426601713754).

Almost surely, 2^{212252234322550} is an apocalyptic number.

212252234322550 is a deficient number, since it is larger than the sum of its proper divisors (192224647937642).

212252234322550 is a wasteful number, since it uses less digits than its factorization.

212252234322550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616385353 (or 616385348 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 40.

Adding to 212252234322550 its reverse (55223432252212), we get a palindrome (267475666574762).

The spelling of 212252234322550 in words is "two hundred twelve trillion, two hundred fifty-two billion, two hundred thirty-four million, three hundred twenty-two thousand, five hundred fifty".