12211023310320 has 40 divisors (see below), whose sum is σ = 37854172262736. Its totient is φ = 3256272882688.

The previous prime is 12211023310267. The next prime is 12211023310351. The reversal of 12211023310320 is 2301332011221.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×12211023310320² (a number of 27 digits) contains 22 as substring.

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, 25439631657 + ... + 25439632136.

Almost surely, 2^{12211023310320} is an apocalyptic number.

12211023310320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12211023310320 is an abundant number, since it is smaller than the sum of its proper divisors (25643148952416).

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

12211023310320 is a wasteful number, since it uses less digits than its factorization.

12211023310320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50879263809 (or 50879263803 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12211023310320 its reverse (2301332011221), we get a palindrome (14512355321541).

The spelling of 12211023310320 in words is "twelve trillion, two hundred eleven billion, twenty-three million, three hundred ten thousand, three hundred twenty".