12220154521352 has 16 divisors (see below), whose sum is σ = 22997338771200. Its totient is φ = 6087530849040.

The previous prime is 12220154521327. The next prime is 12220154521363. The reversal of 12220154521352 is 25312545102221.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2818299152 + ... + 2818303487.

It is an arithmetic number, because the mean of its divisors is an integer number (1437333673200).

Almost surely, 2^{12220154521352} is an apocalyptic number.

It is an amenable number.

12220154521352 is a deficient number, since it is larger than the sum of its proper divisors (10777184249848).

12220154521352 is a wasteful number, since it uses less digits than its factorization.

12220154521352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5636602916 (or 5636602912 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 12220154521352 its reverse (25312545102221), we get a palindrome (37532699623573).

The spelling of 12220154521352 in words is "twelve trillion, two hundred twenty billion, one hundred fifty-four million, five hundred twenty-one thousand, three hundred fifty-two".