32212233012 has 72 divisors (see below), whose sum is σ = 79863513408. Its totient is φ = 10070305280.

The previous prime is 32212233007. The next prime is 32212233013. The reversal of 32212233012 is 21033221223.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 32212233012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32212233013) 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, 43353913 + ... + 43354655.

It is an arithmetic number, because the mean of its divisors is an integer number (1109215464).

Almost surely, 2^32212233012 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 32212233012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39931756704).

32212233012 is an abundant number, since it is smaller than the sum of its proper divisors (47651280396).

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

32212233012 is a wasteful number, since it uses less digits than its factorization.

32212233012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689 (or 1226 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 32212233012 its reverse (21033221223), we get a palindrome (53245454235).

The spelling of 32212233012 in words is "thirty-two billion, two hundred twelve million, two hundred thirty-three thousand, twelve".