12011219984 has 40 divisors (see below), whose sum is σ = 25164960768. Its totient is φ = 5532070400.

The previous prime is 12011219981. The next prime is 12011219989. The reversal of 12011219984 is 48991211021.

It is not an unprimeable number, because it can be changed into a prime (12011219981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456992 + ... + 482559.

Almost surely, 2^12011219984 is an apocalyptic number.

It is an amenable number.

12011219984 is an abundant number, since it is smaller than the sum of its proper divisors (13153740784).

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

12011219984 is a wasteful number, since it uses less digits than its factorization.

12011219984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939623 (or 939617 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 38.

The spelling of 12011219984 in words is "twelve billion, eleven million, two hundred nineteen thousand, nine hundred eighty-four".