212250122533 has 16 divisors (see below), whose sum is σ = 216430036416. Its totient is φ = 208124017920.

The previous prime is 212250122459. The next prime is 212250122543. The reversal of 212250122533 is 335221052212.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212250122533 is a prime.

It is a super-2 number, since 2×212250122533² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212250122543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3665341 + ... + 3722797.

It is an arithmetic number, because the mean of its divisors is an integer number (13526877276).

Almost surely, 2^212250122533 is an apocalyptic number.

It is an amenable number.

212250122533 is a deficient number, since it is larger than the sum of its proper divisors (4179913883).

212250122533 is a wasteful number, since it uses less digits than its factorization.

212250122533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57924.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 212250122533 its reverse (335221052212), we get a palindrome (547471174745).

The spelling of 212250122533 in words is "two hundred twelve billion, two hundred fifty million, one hundred twenty-two thousand, five hundred thirty-three".