1804421352612 has 48 divisors (see below), whose sum is σ = 4213860501312. Its totient is φ = 600967726080.

The previous prime is 1804421352599. The next prime is 1804421352641. The reversal of 1804421352612 is 2162531244081.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76573312 + ... + 76596872.

It is an arithmetic number, because the mean of its divisors is an integer number (87788760444).

Almost surely, 2^{1804421352612} is an apocalyptic number.

1804421352612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1804421352612 is an abundant number, since it is smaller than the sum of its proper divisors (2409439148700).

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

1804421352612 is a wasteful number, since it uses less digits than its factorization.

1804421352612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28668 (or 28666 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

Adding to 1804421352612 its reverse (2162531244081), we get a palindrome (3966952596693).

The spelling of 1804421352612 in words is "one trillion, eight hundred four billion, four hundred twenty-one million, three hundred fifty-two thousand, six hundred twelve".