20120313123132 has 24 divisors (see below), whose sum is σ = 46957443940176. Its totient is φ = 6705335804928.

The previous prime is 20120313123109. The next prime is 20120313123151. The reversal of 20120313123132 is 23132131302102.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 179346103 + ... + 179458254.

It is an arithmetic number, because the mean of its divisors is an integer number (1956560164174).

Almost surely, 2^{20120313123132} is an apocalyptic number.

It is an amenable number.

20120313123132 is an abundant number, since it is smaller than the sum of its proper divisors (26837130817044).

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

20120313123132 is a wasteful number, since it uses less digits than its factorization.

20120313123132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358809037 (or 358809035 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 20120313123132 its reverse (23132131302102), we get a palindrome (43252444425234).

The spelling of 20120313123132 in words is "twenty trillion, one hundred twenty billion, three hundred thirteen million, one hundred twenty-three thousand, one hundred thirty-two".