32121030140 has 24 divisors (see below), whose sum is σ = 67468216032. Its totient is φ = 12845735360.

The previous prime is 32121030107. The next prime is 32121030157. The reversal of 32121030140 is 4103012123.

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, 67439 + ... + 262278.

It is an arithmetic number, because the mean of its divisors is an integer number (2811175668).

Almost surely, 2^32121030140 is an apocalyptic number.

It is an amenable number.

32121030140 is an abundant number, since it is smaller than the sum of its proper divisors (35347185892).

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

32121030140 is a wasteful number, since it uses less digits than its factorization.

32121030140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334597 (or 334595 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 32121030140 its reverse (4103012123), we get a palindrome (36224042263).

The spelling of 32121030140 in words is "thirty-two billion, one hundred twenty-one million, thirty thousand, one hundred forty".