13401232012 has 24 divisors (see below), whose sum is σ = 27372731904. Its totient is φ = 5621184912.

The previous prime is 13401232001. The next prime is 13401232027. The reversal of 13401232012 is 21023210431.

It is a happy 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, 5090338 + ... + 5092969.

It is an arithmetic number, because the mean of its divisors is an integer number (1140530496).

Almost surely, 2^13401232012 is an apocalyptic number.

It is an amenable number.

13401232012 is an abundant number, since it is smaller than the sum of its proper divisors (13971499892).

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

13401232012 is a wasteful number, since it uses less digits than its factorization.

13401232012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10183365 (or 10183363 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13401232012 its reverse (21023210431), we get a palindrome (34424442443).

The spelling of 13401232012 in words is "thirteen billion, four hundred one million, two hundred thirty-two thousand, twelve".