13144969212 has 48 divisors (see below), whose sum is σ = 31342671360. Its totient is φ = 4285898752.

The previous prime is 13144969207. The next prime is 13144969219. The reversal of 13144969212 is 21296944131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13144969219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1110268 + ... + 1122044.

It is an arithmetic number, because the mean of its divisors is an integer number (652972320).

Almost surely, 2^13144969212 is an apocalyptic number.

13144969212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13144969212 is an abundant number, since it is smaller than the sum of its proper divisors (18197702148).

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

13144969212 is a wasteful number, since it uses less digits than its factorization.

13144969212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13810 (or 13808 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

It can be divided in two parts, 131449 and 69212, that added together give a triangular number (200661 = T₆₃₃).

The spelling of 13144969212 in words is "thirteen billion, one hundred forty-four million, nine hundred sixty-nine thousand, two hundred twelve".