13154244012 has 144 divisors (see below), whose sum is σ = 42244780032. Its totient is φ = 3357313920.

The previous prime is 13154243987. The next prime is 13154244017. The reversal of 13154244012 is 21044245131.

It is a super-2 number, since 2×13154244012² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13154244017) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36793 + ... + 166319.

It is an arithmetic number, because the mean of its divisors is an integer number (293366528).

Almost surely, 2^13154244012 is an apocalyptic number.

13154244012 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 13154244012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21122390016).

13154244012 is an abundant number, since it is smaller than the sum of its proper divisors (29090536020).

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

13154244012 is a wasteful number, since it uses less digits than its factorization.

13154244012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129588 (or 129583 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 13154244012 its reverse (21044245131), we get a palindrome (34198489143).

The spelling of 13154244012 in words is "thirteen billion, one hundred fifty-four million, two hundred forty-four thousand, twelve".