32001221232112 has 40 divisors (see below), whose sum is σ = 67640158132272. Its totient is φ = 14545748736000.

The previous prime is 32001221232083. The next prime is 32001221232187. The reversal of 32001221232112 is 21123212210023.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8383362 + ... + 11588062.

Almost surely, 2^{32001221232112} is an apocalyptic number.

It is an amenable number.

32001221232112 is an abundant number, since it is smaller than the sum of its proper divisors (35638936900160).

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

32001221232112 is a wasteful number, since it uses less digits than its factorization.

32001221232112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3261457 (or 3261451 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 32001221232112 its reverse (21123212210023), we get a palindrome (53124433442135).

The spelling of 32001221232112 in words is "thirty-two trillion, one billion, two hundred twenty-one million, two hundred thirty-two thousand, one hundred twelve".