32112221020000 has 240 divisors, whose sum is σ = 86257569892032. Its totient is φ = 11667037760000.

The previous prime is 32112221019959. The next prime is 32112221020021. The reversal of 32112221020000 is 2012221123.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 255797247 + ... + 255922753.

Almost surely, 2^{32112221020000} 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 32112221020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43128784946016).

32112221020000 is an abundant number, since it is smaller than the sum of its proper divisors (54145348872032).

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

32112221020000 is a wasteful number, since it uses less digits than its factorization.

32112221020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126711 (or 126688 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 32112221020000 its reverse (2012221123), we get a palindrome (32114233241123).

The spelling of 32112221020000 in words is "thirty-two trillion, one hundred twelve billion, two hundred twenty-one million, twenty thousand".