11012012112 has 40 divisors (see below), whose sum is σ = 28553484960. Its totient is φ = 3657020800.

The previous prime is 11012012071. The next prime is 11012012119. The reversal of 11012012112 is 21121021011.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012012119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413514 + ... + 439337.

It is an arithmetic number, because the mean of its divisors is an integer number (713837124).

Almost surely, 2^11012012112 is an apocalyptic number.

11012012112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11012012112 is an abundant number, since it is smaller than the sum of its proper divisors (17541472848).

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

11012012112 is a wasteful number, since it uses less digits than its factorization.

11012012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853131 (or 853125 counting only the distinct ones).

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

Adding to 11012012112 its reverse (21121021011), we get a palindrome (32133033123).

The spelling of 11012012112 in words is "eleven billion, twelve million, twelve thousand, one hundred twelve".