12212958846 has 64 divisors (see below), whose sum is σ = 26995161600. Its totient is φ = 3652732800.

The previous prime is 12212958799. The next prime is 12212958869. The reversal of 12212958846 is 64885921221.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12212958795 and 12212958804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1932031 + ... + 1938341.

It is an arithmetic number, because the mean of its divisors is an integer number (421799400).

Almost surely, 2^12212958846 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12212958846, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13497580800).

12212958846 is an abundant number, since it is smaller than the sum of its proper divisors (14782202754).

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

12212958846 is a wasteful number, since it uses less digits than its factorization.

12212958846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6705.

The product of its digits is 552960, while the sum is 48.

The spelling of 12212958846 in words is "twelve billion, two hundred twelve million, nine hundred fifty-eight thousand, eight hundred forty-six".