32121211332 has 48 divisors (see below), whose sum is σ = 86135132160. Its totient is φ = 9126213792.

The previous prime is 32121211327. The next prime is 32121211393. The reversal of 32121211332 is 23311212123.

It is a Harshad number since it is a multiple of its sum of digits (21).

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

It is a junction number, because it is equal to n+sod(n) for n = 32121211299 and 32121211308.

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, 1053108 + ... + 1083179.

It is an arithmetic number, because the mean of its divisors is an integer number (1794481920).

Almost surely, 2^32121211332 is an apocalyptic number.

It is an amenable number.

32121211332 is an abundant number, since it is smaller than the sum of its proper divisors (54013920828).

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

32121211332 is a wasteful number, since it uses less digits than its factorization.

32121211332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136480 (or 2136478 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

Adding to 32121211332 its reverse (23311212123), we get a palindrome (55432423455).

The spelling of 32121211332 in words is "thirty-two billion, one hundred twenty-one million, two hundred eleven thousand, three hundred thirty-two".