32121112201220 has 48 divisors (see below), whose sum is σ = 77096302174080. Its totient is φ = 11012148056064.

The previous prime is 32121112201201. The next prime is 32121112201223. The reversal of 32121112201220 is 2210221112123.

32121112201220 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 32121112201192 and 32121112201201.

It is not an unprimeable number, because it can be changed into a prime (32121112201223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6457850 + ... + 10293009.

It is an arithmetic number, because the mean of its divisors is an integer number (1606172961960).

Almost surely, 2^{32121112201220} is an apocalyptic number.

It is an amenable number.

32121112201220 is an abundant number, since it is smaller than the sum of its proper divisors (44975189972860).

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

32121112201220 is a wasteful number, since it uses less digits than its factorization.

32121112201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16764572 (or 16764570 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 32121112201220 its reverse (2210221112123), we get a palindrome (34331333313343).

The spelling of 32121112201220 in words is "thirty-two trillion, one hundred twenty-one billion, one hundred twelve million, two hundred one thousand, two hundred twenty".