12212110340 has 24 divisors (see below), whose sum is σ = 25647599040. Its totient is φ = 4884431328.

The previous prime is 12212110247. The next prime is 12212110343. The reversal of 12212110340 is 4301121221.

It is not an unprimeable number, because it can be changed into a prime (12212110343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350969 + ... + 384191.

It is an arithmetic number, because the mean of its divisors is an integer number (1068649960).

Almost surely, 2^12212110340 is an apocalyptic number.

12212110340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212110340 is an abundant number, since it is smaller than the sum of its proper divisors (13435488700).

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

12212110340 is a wasteful number, since it uses less digits than its factorization.

12212110340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51611 (or 51609 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12212110340 its reverse (4301121221), we get a palindrome (16513231561).

The spelling of 12212110340 in words is "twelve billion, two hundred twelve million, one hundred ten thousand, three hundred forty".