11012120022012 has 48 divisors (see below), whose sum is σ = 27266561038080. Its totient is φ = 3451600375168.

The previous prime is 11012120021971. The next prime is 11012120022019. The reversal of 11012120022012 is 21022002121011.

It is a junction number, because it is equal to n+sod(n) for n = 11012120021982 and 11012120022000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012120022019) 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, 338110713 + ... + 338143280.

It is an arithmetic number, because the mean of its divisors is an integer number (568053354960).

Almost surely, 2^{11012120022012} is an apocalyptic number.

11012120022012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11012120022012 is an abundant number, since it is smaller than the sum of its proper divisors (16254441016068).

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

11012120022012 is a wasteful number, since it uses less digits than its factorization.

11012120022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676254082 (or 676254080 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11012120022012 its reverse (21022002121011), we get a palindrome (32034122143023).

The spelling of 11012120022012 in words is "eleven trillion, twelve billion, one hundred twenty million, twenty-two thousand, twelve".