212411433220 has 48 divisors (see below), whose sum is σ = 527366327040. Its totient is φ = 70315507584.

The previous prime is 212411433203. The next prime is 212411433229. The reversal of 212411433220 is 22334114212.

It is not an unprimeable number, because it can be changed into a prime (212411433229) 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, 26154984 + ... + 26163103.

It is an arithmetic number, because the mean of its divisors is an integer number (10986798480).

Almost surely, 2^212411433220 is an apocalyptic number.

212411433220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212411433220 is an abundant number, since it is smaller than the sum of its proper divisors (314954893820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212411433220 is a wasteful number, since it uses less digits than its factorization.

212411433220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52318132 (or 52318130 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 212411433220 its reverse (22334114212), we get a palindrome (234745547432).

The spelling of 212411433220 in words is "two hundred twelve billion, four hundred eleven million, four hundred thirty-three thousand, two hundred twenty".