32100240120 has 128 divisors (see below), whose sum is σ = 103773579840. Its totient is φ = 7896637440.

The previous prime is 32100240119. The next prime is 32100240149. The reversal of 32100240120 is 2104200123.

It is a super-2 number, since 2×32100240120² (a number of 22 digits) contains 22 as substring.

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 32100240120.

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, 2897632 + ... + 2908688.

Almost surely, 2^32100240120 is an apocalyptic number.

32100240120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32100240120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51886789920).

32100240120 is an abundant number, since it is smaller than the sum of its proper divisors (71673339720).

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

32100240120 is a wasteful number, since it uses less digits than its factorization.

32100240120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12945 (or 12941 counting only the distinct ones).

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

Adding to 32100240120 its reverse (2104200123), we get a palindrome (34204440243).

The spelling of 32100240120 in words is "thirty-two billion, one hundred million, two hundred forty thousand, one hundred twenty".