32121412212 has 48 divisors (see below), whose sum is σ = 81503634240. Its totient is φ = 9804943872.

The previous prime is 32121412199. The next prime is 32121412237. The reversal of 32121412212 is 21221412123.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2120262 + ... + 2135357.

It is an arithmetic number, because the mean of its divisors is an integer number (1697992380).

Almost surely, 2^32121412212 is an apocalyptic number.

It is an amenable number.

32121412212 is an abundant number, since it is smaller than the sum of its proper divisors (49382222028).

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

32121412212 is a wasteful number, since it uses less digits than its factorization.

32121412212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4255680 (or 4255678 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

Adding to 32121412212 its reverse (21221412123), we get a palindrome (53342824335).

The spelling of 32121412212 in words is "thirty-two billion, one hundred twenty-one million, four hundred twelve thousand, two hundred twelve".