12213146880 has 432 divisors, whose sum is σ = 47600017920. Its totient is φ = 2864332800.

The previous prime is 12213146879. The next prime is 12213146893. The reversal of 12213146880 is 8864131221.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3926766 + ... + 3929874.

Almost surely, 2^12213146880 is an apocalyptic number.

12213146880 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 12213146880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23800008960).

12213146880 is an abundant number, since it is smaller than the sum of its proper divisors (35386871040).

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

12213146880 is a wasteful number, since it uses less digits than its factorization.

12213146880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3178 (or 3161 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The spelling of 12213146880 in words is "twelve billion, two hundred thirteen million, one hundred forty-six thousand, eight hundred eighty".