12221153013248 has 40 divisors (see below), whose sum is σ = 24752935794048. Its totient is φ = 6026869960704.

The previous prime is 12221153013247. The next prime is 12221153013263. The reversal of 12221153013248 is 84231035112221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221153013247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163451936 + ... + 163526687.

Almost surely, 2^{12221153013248} is an apocalyptic number.

It is an amenable number.

12221153013248 is an abundant number, since it is smaller than the sum of its proper divisors (12531782780800).

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

12221153013248 is an frugal number, since it uses more digits than its factorization.

12221153013248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326978714 (or 326978698 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

Adding to 12221153013248 its reverse (84231035112221), we get a palindrome (96452188125469).

The spelling of 12221153013248 in words is "twelve trillion, two hundred twenty-one billion, one hundred fifty-three million, thirteen thousand, two hundred forty-eight".