12212001032 has 128 divisors (see below), whose sum is σ = 29339228160. Its totient is φ = 4626961920.

The previous prime is 12212001031. The next prime is 12212001047. The reversal of 12212001032 is 23010021221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 12212000998 and 12212001016.

It is not an unprimeable number, because it can be changed into a prime (12212001031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6965468 + ... + 6967220.

It is an arithmetic number, because the mean of its divisors is an integer number (229212720).

Almost surely, 2^12212001032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12212001032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14669614080).

12212001032 is an abundant number, since it is smaller than the sum of its proper divisors (17127227128).

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

12212001032 is a wasteful number, since it uses less digits than its factorization.

12212001032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083 (or 2079 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12212001032 its reverse (23010021221), we get a palindrome (35222022253).

The spelling of 12212001032 in words is "twelve billion, two hundred twelve million, one thousand, thirty-two".