32120202120 has 64 divisors (see below), whose sum is σ = 96443317440. Its totient is φ = 8558035200.

The previous prime is 32120202119. The next prime is 32120202131. The reversal of 32120202120 is 2120202123.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 32120202120.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26230 + ... + 254810.

It is an arithmetic number, because the mean of its divisors is an integer number (1506926835).

Almost surely, 2^32120202120 is an apocalyptic number.

32120202120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32120202120 is an abundant number, since it is smaller than the sum of its proper divisors (64323115320).

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

32120202120 is a wasteful number, since it uses less digits than its factorization.

32120202120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229766 (or 229762 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 32120202120 its reverse (2120202123), we get a palindrome (34240404243).

The spelling of 32120202120 in words is "thirty-two billion, one hundred twenty million, two hundred two thousand, one hundred twenty".