11012100120012 has 48 divisors (see below), whose sum is σ = 25960002548480. Its totient is φ = 3632904571968.

The previous prime is 11012100119921. The next prime is 11012100120013. The reversal of 11012100120012 is 21002100121011.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11012100120012.

It is not an unprimeable number, because it can be changed into a prime (11012100120013) 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, 3612328 + ... + 5922255.

Almost surely, 2^{11012100120012} is an apocalyptic number.

11012100120012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11012100120012 is an abundant number, since it is smaller than the sum of its proper divisors (14947902428468).

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

11012100120012 is a wasteful number, since it uses less digits than its factorization.

11012100120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9535582 (or 9535580 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11012100120012 its reverse (21002100121011), we get a palindrome (32014200241023).

Subtracting 11012100120012 from its reverse (21002100121011), we obtain a palindrome (9990000000999).

The spelling of 11012100120012 in words is "eleven trillion, twelve billion, one hundred million, one hundred twenty thousand, twelve".