13044121000000 has 98 divisors (see below), whose sum is σ = 32355122841314. Its totient is φ = 5217648000000.

The previous prime is 13044120999991. The next prime is 13044121000039. The reversal of 13044121000000 is 12144031.

It can be written as a sum of positive squares in 7 ways, for example, as 12361355920384 + 682765079616 = 3515872^2 + 826296^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 5522061 + ... + 7522060.

Almost surely, 2^{13044121000000} is an apocalyptic number.

13044121000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13044121000000 is an abundant number, since it is smaller than the sum of its proper divisors (19311001841314).

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

13044121000000 is an frugal number, since it uses more digits than its factorization.

13044121000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13044163 (or 13044128 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 13044121000000 its reverse (12144031), we get a palindrome (13044133144031).

The spelling of 13044121000000 in words is "thirteen trillion, forty-four billion, one hundred twenty-one million", and thus it is an aban number.