32232222012 has 12 divisors (see below), whose sum is σ = 75208518056. Its totient is φ = 10744074000.

The previous prime is 32232221993. The next prime is 32232222019. The reversal of 32232222012 is 21022223223.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×32232222012² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32232222012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32232222019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1343009239 + ... + 1343009262.

Almost surely, 2^32232222012 is an apocalyptic number.

It is an amenable number.

32232222012 is an abundant number, since it is smaller than the sum of its proper divisors (42976296044).

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

32232222012 is a wasteful number, since it uses less digits than its factorization.

32232222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2686018508 (or 2686018506 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 32232222012 its reverse (21022223223), we get a palindrome (53254445235).

The spelling of 32232222012 in words is "thirty-two billion, two hundred thirty-two million, two hundred twenty-two thousand, twelve".