12019090909884 has 12 divisors (see below), whose sum is σ = 28044545456424. Its totient is φ = 4006363636624.

The previous prime is 12019090909883. The next prime is 12019090909921. The reversal of 12019090909884 is 48890909091021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12019090909883) 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, 500795454567 + ... + 500795454590.

It is an arithmetic number, because the mean of its divisors is an integer number (2337045454702).

Almost surely, 2^{12019090909884} is an apocalyptic number.

It is an amenable number.

12019090909884 is an abundant number, since it is smaller than the sum of its proper divisors (16025454546540).

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

12019090909884 is a wasteful number, since it uses less digits than its factorization.

12019090909884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001590909164 (or 1001590909162 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 60.

The spelling of 12019090909884 in words is "twelve trillion, nineteen billion, ninety million, nine hundred nine thousand, eight hundred eighty-four".