13135550412 has 192 divisors, whose sum is σ = 34653782016. Its totient is φ = 3853578240.

The previous prime is 13135550381. The next prime is 13135550453. The reversal of 13135550412 is 21405553131.

It is a self number, because there is not a number n which added to its sum of digits gives 13135550412.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21639813 + ... + 21640419.

It is an arithmetic number, because the mean of its divisors is an integer number (180488448).

Almost surely, 2^13135550412 is an apocalyptic number.

13135550412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13135550412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17326891008).

13135550412 is an abundant number, since it is smaller than the sum of its proper divisors (21518231604).

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

13135550412 is a wasteful number, since it uses less digits than its factorization.

13135550412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776 (or 774 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 13135550412 in words is "thirteen billion, one hundred thirty-five million, five hundred fifty thousand, four hundred twelve".