212023122432 has 160 divisors (see below), whose sum is σ = 616565537280. Its totient is φ = 64210513920.

The previous prime is 212023122419. The next prime is 212023122461. The reversal of 212023122432 is 234221320212.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40936419 + ... + 40941597.

It is an arithmetic number, because the mean of its divisors is an integer number (3853534608).

Almost surely, 2^212023122432 is an apocalyptic number.

212023122432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212023122432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308282768640).

212023122432 is an abundant number, since it is smaller than the sum of its proper divisors (404542414848).

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

212023122432 is a wasteful number, since it uses less digits than its factorization.

212023122432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7634 (or 7618 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 212023122432 its reverse (234221320212), we get a palindrome (446244442644).

The spelling of 212023122432 in words is "two hundred twelve billion, twenty-three million, one hundred twenty-two thousand, four hundred thirty-two".