13985880012 has 96 divisors (see below), whose sum is σ = 41104179200. Its totient is φ = 4076847936.

The previous prime is 13985879987. The next prime is 13985880023. The reversal of 13985880012 is 21008858931.

It is a happy number.

It is a super-2 number, since 2×13985880012² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13985880012.

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 31 ways as a sum of consecutive naturals, for example, 235468 + ... + 288819.

Almost surely, 2^13985880012 is an apocalyptic number.

13985880012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13985880012 is an abundant number, since it is smaller than the sum of its proper divisors (27118299188).

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

13985880012 is a wasteful number, since it uses less digits than its factorization.

13985880012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524332 (or 524324 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The spelling of 13985880012 in words is "thirteen billion, nine hundred eighty-five million, eight hundred eighty thousand, twelve".