12212414434240 has 56 divisors (see below), whose sum is σ = 29109980948832. Its totient is φ = 4880065981440.

The previous prime is 12212414434133. The next prime is 12212414434261. The reversal of 12212414434240 is 4243441421221.

It is a junction number, because it is equal to n+sod(n) for n = 12212414434196 and 12212414434205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18820276 + ... + 19458355.

It is an arithmetic number, because the mean of its divisors is an integer number (519821088372).

Almost surely, 2^{12212414434240} is an apocalyptic number.

12212414434240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212414434240 is an abundant number, since it is smaller than the sum of its proper divisors (16897566514592).

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

12212414434240 is an equidigital number, since it uses as much as digits as its factorization.

12212414434240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38279645 (or 38279635 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 34.

Adding to 12212414434240 its reverse (4243441421221), we get a palindrome (16455855855461).

The spelling of 12212414434240 in words is "twelve trillion, two hundred twelve billion, four hundred fourteen million, four hundred thirty-four thousand, two hundred forty".