12211210231330 has 32 divisors (see below), whose sum is σ = 23978797441920. Its totient is φ = 4440362123520.

The previous prime is 12211210231321. The next prime is 12211210231331. The reversal of 12211210231330 is 3313201211221.

It is a super-2 number, since 2×12211210231330² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (12211210231331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5514826 + ... + 7405114.

It is an arithmetic number, because the mean of its divisors is an integer number (749337420060).

Almost surely, 2^{12211210231330} is an apocalyptic number.

12211210231330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12211210231330 is a deficient number, since it is larger than the sum of its proper divisors (11767587210590).

12211210231330 is a wasteful number, since it uses less digits than its factorization.

12211210231330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1949034.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12211210231330 its reverse (3313201211221), we get a palindrome (15524411442551).

The spelling of 12211210231330 in words is "twelve trillion, two hundred eleven billion, two hundred ten million, two hundred thirty-one thousand, three hundred thirty".