32130123112 has 16 divisors (see below), whose sum is σ = 60301426500. Its totient is φ = 16049742720.

The previous prime is 32130123049. The next prime is 32130123119. The reversal of 32130123112 is 21132103123.

It can be written as a sum of positive squares in 2 ways, for example, as 29843944516 + 2286178596 = 172754^2 + 47814^2 .

It is a super-2 number, since 2×32130123112² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32130123112.

It is not an unprimeable number, because it can be changed into a prime (32130123119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1905939 + ... + 1922722.

Almost surely, 2^32130123112 is an apocalyptic number.

It is an amenable number.

32130123112 is a deficient number, since it is larger than the sum of its proper divisors (28171303388).

32130123112 is a wasteful number, since it uses less digits than its factorization.

32130123112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3829716 (or 3829712 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 32130123112 its reverse (21132103123), we get a palindrome (53262226235).

The spelling of 32130123112 in words is "thirty-two billion, one hundred thirty million, one hundred twenty-three thousand, one hundred twelve".