12210461604 has 144 divisors (see below), whose sum is σ = 34425518400. Its totient is φ = 3617752320.

The previous prime is 12210461603. The next prime is 12210461611. The reversal of 12210461604 is 40616401221.

12210461604 is a `hidden beast` number, since 1 + 2 + 2 + 10 + 46 + 1 + 604 = 666.

It is not an unprimeable number, because it can be changed into a prime (12210461603) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7323979 + ... + 7325645.

It is an arithmetic number, because the mean of its divisors is an integer number (239066100).

Almost surely, 2^12210461604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12210461604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17212759200).

12210461604 is an abundant number, since it is smaller than the sum of its proper divisors (22215056796).

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

12210461604 is a wasteful number, since it uses less digits than its factorization.

12210461604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090 (or 2085 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 12210461604 its reverse (40616401221), we get a palindrome (52826862825).

The spelling of 12210461604 in words is "twelve billion, two hundred ten million, four hundred sixty-one thousand, six hundred four".