11212200000012 has 48 divisors (see below), whose sum is σ = 28569179503872. Its totient is φ = 3394179929280.

The previous prime is 11212199999999. The next prime is 11212200000037. The reversal of 11212200000012 is 21000000221211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43075183 + ... + 43334694.

It is an arithmetic number, because the mean of its divisors is an integer number (595191239664).

Almost surely, 2^{11212200000012} is an apocalyptic number.

11212200000012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11212200000012 is an abundant number, since it is smaller than the sum of its proper divisors (17356979503860).

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

11212200000012 is a wasteful number, since it uses less digits than its factorization.

11212200000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86410878 (or 86410876 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11212200000012 its reverse (21000000221211), we get a palindrome (32212200221223).

The spelling of 11212200000012 in words is "eleven trillion, two hundred twelve billion, two hundred million, twelve", and thus it is an aban number.