32312220321012 has 96 divisors (see below), whose sum is σ = 78503250376320. Its totient is φ = 10331589864960.

The previous prime is 32312220320969. The next prime is 32312220321071. The reversal of 32312220321012 is 21012302221323.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 410113062 + ... + 410191842.

It is an arithmetic number, because the mean of its divisors is an integer number (817742191420).

Almost surely, 2^{32312220321012} 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 32312220321012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39251625188160).

32312220321012 is an abundant number, since it is smaller than the sum of its proper divisors (46191030055308).

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

32312220321012 is a wasteful number, since it uses less digits than its factorization.

32312220321012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86481 (or 86479 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 32312220321012 its reverse (21012302221323), we get a palindrome (53324522542335).

The spelling of 32312220321012 in words is "thirty-two trillion, three hundred twelve billion, two hundred twenty million, three hundred twenty-one thousand, twelve".