13121229048 has 16 divisors (see below), whose sum is σ = 32803072680. Its totient is φ = 4373743008.

The previous prime is 13121229031. The next prime is 13121229049. The reversal of 13121229048 is 84092212131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121229049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273358915 + ... + 273358962.

Almost surely, 2^13121229048 is an apocalyptic number.

It is an amenable number.

13121229048 is an abundant number, since it is smaller than the sum of its proper divisors (19681843632).

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

13121229048 is a wasteful number, since it uses less digits than its factorization.

13121229048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546717886 (or 546717882 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The spelling of 13121229048 in words is "thirteen billion, one hundred twenty-one million, two hundred twenty-nine thousand, forty-eight".