12212838500 has 96 divisors (see below), whose sum is σ = 27388513152. Its totient is φ = 4754870400.

The previous prime is 12212838497. The next prime is 12212838553. The reversal of 12212838500 is 583821221.

It is a happy 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, 7459682 + ... + 7461318.

It is an arithmetic number, because the mean of its divisors is an integer number (285297012).

Almost surely, 2^12212838500 is an apocalyptic number.

12212838500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12212838500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13694256576).

12212838500 is an abundant number, since it is smaller than the sum of its proper divisors (15175674652).

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

12212838500 is a wasteful number, since it uses less digits than its factorization.

12212838500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046 (or 2034 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The spelling of 12212838500 in words is "twelve billion, two hundred twelve million, eight hundred thirty-eight thousand, five hundred".