12122215423560 has 192 divisors, whose sum is σ = 44140352518080. Its totient is φ = 2859294021120.

The previous prime is 12122215423553. The next prime is 12122215423583. The reversal of 12122215423560 is 6532451222121.

12122215423560 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 2 + 21 + 54 + 23 + 560 = 666.

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

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, 41220582 + ... + 41513621.

It is an arithmetic number, because the mean of its divisors is an integer number (229897669365).

Almost surely, 2^{12122215423560} is an apocalyptic number.

12122215423560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12122215423560 is an abundant number, since it is smaller than the sum of its proper divisors (32018137094520).

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

12122215423560 is a wasteful number, since it uses less digits than its factorization.

12122215423560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82734268 (or 82734261 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 12122215423560 its reverse (6532451222121), we get a palindrome (18654666645681).

The spelling of 12122215423560 in words is "twelve trillion, one hundred twenty-two billion, two hundred fifteen million, four hundred twenty-three thousand, five hundred sixty".