12021160404 has 48 divisors (see below), whose sum is σ = 31929730560. Its totient is φ = 3484393440.

The previous prime is 12021160297. The next prime is 12021160409. The reversal of 12021160404 is 40406112021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021160409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1976734 + ... + 1982805.

It is an arithmetic number, because the mean of its divisors is an integer number (665202720).

Almost surely, 2^12021160404 is an apocalyptic number.

It is an amenable number.

12021160404 is an abundant number, since it is smaller than the sum of its proper divisors (19908570156).

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

12021160404 is a wasteful number, since it uses less digits than its factorization.

12021160404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3959580 (or 3959578 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12021160404 its reverse (40406112021), we get a palindrome (52427272425).

The spelling of 12021160404 in words is "twelve billion, twenty-one million, one hundred sixty thousand, four hundred four".