12210217380 has 432 divisors, whose sum is σ = 42018762240. Its totient is φ = 2857420800.

The previous prime is 12210217351. The next prime is 12210217423. The reversal of 12210217380 is 8371201221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 230381434 + ... + 230381486.

Almost surely, 2^12210217380 is an apocalyptic number.

12210217380 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 12210217380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21009381120).

12210217380 is an abundant number, since it is smaller than the sum of its proper divisors (29808544860).

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

12210217380 is a wasteful number, since it uses less digits than its factorization.

12210217380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The spelling of 12210217380 in words is "twelve billion, two hundred ten million, two hundred seventeen thousand, three hundred eighty".