12211212303012 has 48 divisors (see below), whose sum is σ = 29749210001280. Its totient is φ = 3891130138368.

The previous prime is 12211212302977. The next prime is 12211212303023. The reversal of 12211212303012 is 21030321211221.

12211212303012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12211212303012² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12211212303012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12599337 + ... + 13533872.

It is an arithmetic number, because the mean of its divisors is an integer number (619775208360).

Almost surely, 2^{12211212303012} is an apocalyptic number.

12211212303012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12211212303012 is an abundant number, since it is smaller than the sum of its proper divisors (17537997698268).

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

12211212303012 is a wasteful number, since it uses less digits than its factorization.

12211212303012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26134932 (or 26134930 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 12211212303012 its reverse (21030321211221), we get a palindrome (33241533514233).

The spelling of 12211212303012 in words is "twelve trillion, two hundred eleven billion, two hundred twelve million, three hundred three thousand, twelve".