20121413132 has 12 divisors (see below), whose sum is σ = 35217028896. Its totient is φ = 10059404880.

The previous prime is 20121413113. The next prime is 20121413227. The reversal of 20121413132 is 23131412102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290219 + ... + 352802.

It is an arithmetic number, because the mean of its divisors is an integer number (2934752408).

Almost surely, 2^20121413132 is an apocalyptic number.

It is an amenable number.

20121413132 is a deficient number, since it is larger than the sum of its proper divisors (15095615764).

20121413132 is a wasteful number, since it uses less digits than its factorization.

20121413132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650848 (or 650846 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 20121413132 its reverse (23131412102), we get a palindrome (43252825234).

The spelling of 20121413132 in words is "twenty billion, one hundred twenty-one million, four hundred thirteen thousand, one hundred thirty-two".