12205858948 has 12 divisors (see below), whose sum is σ = 21396277980. Its totient is φ = 6092636672.

The previous prime is 12205858939. The next prime is 12205858993. The reversal of 12205858948 is 84985850221.

It can be written as a sum of positive squares in 2 ways, for example, as 8528891904 + 3676967044 = 92352^2 + 60638^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12205858895 and 12205858904.

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, 2570533 + ... + 2575276.

It is an arithmetic number, because the mean of its divisors is an integer number (1783023165).

Almost surely, 2^12205858948 is an apocalyptic number.

It is an amenable number.

12205858948 is a deficient number, since it is larger than the sum of its proper divisors (9190419032).

12205858948 is a wasteful number, since it uses less digits than its factorization.

12205858948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5146406 (or 5146404 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 52.

The spelling of 12205858948 in words is "twelve billion, two hundred five million, eight hundred fifty-eight thousand, nine hundred forty-eight".