32130215352 has 32 divisors (see below), whose sum is σ = 89250598800. Its totient is φ = 10710071712.

The previous prime is 32130215261. The next prime is 32130215353. The reversal of 32130215352 is 25351203123.

It is a happy number.

32130215352 is a `hidden beast` number, since 3 + 2 + 1 + 302 + 1 + 5 + 352 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32130215353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74375283 + ... + 74375714.

Almost surely, 2^32130215352 is an apocalyptic number.

It is an amenable number.

32130215352 is an abundant number, since it is smaller than the sum of its proper divisors (57120383448).

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

32130215352 is a wasteful number, since it uses less digits than its factorization.

32130215352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148751012 (or 148751002 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 32130215352 its reverse (25351203123), we get a palindrome (57481418475).

The spelling of 32130215352 in words is "thirty-two billion, one hundred thirty million, two hundred fifteen thousand, three hundred fifty-two".