12220515091350 has 96 divisors (see below), whose sum is σ = 33679645748640. Its totient is φ = 3258287493120.

The previous prime is 12220515091339. The next prime is 12220515091357. The reversal of 12220515091350 is 5319051502221.

12220515091350 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 0 + 515 + 0 + 9 + 135 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220515091357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7840714 + ... + 9269186.

It is an arithmetic number, because the mean of its divisors is an integer number (350829643215).

Almost surely, 2^{12220515091350} is an apocalyptic number.

12220515091350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12220515091350 is an abundant number, since it is smaller than the sum of its proper divisors (21459130657290).

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

12220515091350 is a wasteful number, since it uses less digits than its factorization.

12220515091350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434831 (or 1434820 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

Adding to 12220515091350 its reverse (5319051502221), we get a palindrome (17539566593571).

The spelling of 12220515091350 in words is "twelve trillion, two hundred twenty billion, five hundred fifteen million, ninety-one thousand, three hundred fifty".