12211332103212 has 24 divisors (see below), whose sum is σ = 31083390808512. Its totient is φ = 3700403667600.

The previous prime is 12211332103199. The next prime is 12211332103277. The reversal of 12211332103212 is 21230123311221.

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, 46255045714 + ... + 46255045977.

It is an arithmetic number, because the mean of its divisors is an integer number (1295141283688).

Almost surely, 2^{12211332103212} is an apocalyptic number.

12211332103212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12211332103212 is an abundant number, since it is smaller than the sum of its proper divisors (18872058705300).

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

12211332103212 is a wasteful number, since it uses less digits than its factorization.

12211332103212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92510091709 (or 92510091707 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12211332103212 its reverse (21230123311221), we get a palindrome (33441455414433).

The spelling of 12211332103212 in words is "twelve trillion, two hundred eleven billion, three hundred thirty-two million, one hundred three thousand, two hundred twelve".