12212470512 has 120 divisors (see below), whose sum is σ = 37312777008. Its totient is φ = 3697996800.

The previous prime is 12212470507. The next prime is 12212470513. The reversal of 12212470512 is 21507421221.

It is a happy number.

12212470512 is a `hidden beast` number, since 1 + 22 + 124 + 7 + 0 + 512 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212470513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3408562 + ... + 3412142.

Almost surely, 2^12212470512 is an apocalyptic number.

12212470512 is a gapful number since it is divisible by the number (12) 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 12212470512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18656388504).

12212470512 is an abundant number, since it is smaller than the sum of its proper divisors (25100306496).

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

12212470512 is a wasteful number, since it uses less digits than its factorization.

12212470512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5759 (or 5750 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

Adding to 12212470512 its reverse (21507421221), we get a palindrome (33719891733).

The spelling of 12212470512 in words is "twelve billion, two hundred twelve million, four hundred seventy thousand, five hundred twelve".