12021161484 has 12 divisors (see below), whose sum is σ = 28049376824. Its totient is φ = 4007053824.

The previous prime is 12021161473. The next prime is 12021161513. The reversal of 12021161484 is 48416112021.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500881717 + ... + 500881740.

Almost surely, 2^12021161484 is an apocalyptic number.

It is an amenable number.

12021161484 is an abundant number, since it is smaller than the sum of its proper divisors (16028215340).

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

12021161484 is a wasteful number, since it uses less digits than its factorization.

12021161484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001763464 (or 1001763462 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The spelling of 12021161484 in words is "twelve billion, twenty-one million, one hundred sixty-one thousand, four hundred eighty-four".