32142221120 has 56 divisors (see below), whose sum is σ = 76578403104. Its totient is φ = 12850213376.

The previous prime is 32142221119. The next prime is 32142221141. The reversal of 32142221120 is 2112224123.

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 = 32142221092 and 32142221101.

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, 615887 + ... + 666033.

It is an arithmetic number, because the mean of its divisors is an integer number (1367471484).

Almost surely, 2^32142221120 is an apocalyptic number.

It is an amenable number.

32142221120 is an abundant number, since it is smaller than the sum of its proper divisors (44436181984).

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

32142221120 is a wasteful number, since it uses less digits than its factorization.

32142221120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52167 (or 52157 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 32142221120 its reverse (2112224123), we get a palindrome (34254445243).

The spelling of 32142221120 in words is "thirty-two billion, one hundred forty-two million, two hundred twenty-one thousand, one hundred twenty".