11220120000012 has 48 divisors (see below), whose sum is σ = 32640349093632. Its totient is φ = 2914316882880.

The previous prime is 11220120000007. The next prime is 11220120000013. The reversal of 11220120000012 is 21000002102211.

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

It is not an unprimeable number, because it can be changed into a prime (11220120000013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6071492583 + ... + 6071494430.

It is an arithmetic number, because the mean of its divisors is an integer number (680007272784).

Almost surely, 2^{11220120000012} is an apocalyptic number.

11220120000012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11220120000012 is an abundant number, since it is smaller than the sum of its proper divisors (21420229093620).

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

11220120000012 is a wasteful number, since it uses less digits than its factorization.

11220120000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12142987038 (or 12142987036 counting only the distinct ones).

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

Adding to 11220120000012 its reverse (21000002102211), we get a palindrome (32220122102223).

The spelling of 11220120000012 in words is "eleven trillion, two hundred twenty billion, one hundred twenty million, twelve", and thus it is an aban number.