11121212010012 has 24 divisors (see below), whose sum is σ = 27945609666576. Its totient is φ = 3421911387648.

The previous prime is 11121212010001. The next prime is 11121212010023. The reversal of 11121212010012 is 21001021212111.

It is a happy number.

11121212010012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11121212010001) and next prime (11121212010023).

It is a junction number, because it is equal to n+sod(n) for n = 11121212009973 and 11121212010000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35644910133 + ... + 35644910444.

It is an arithmetic number, because the mean of its divisors is an integer number (1164400402774).

Almost surely, 2^{11121212010012} is an apocalyptic number.

11121212010012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11121212010012 is an abundant number, since it is smaller than the sum of its proper divisors (16824397656564).

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

11121212010012 is a wasteful number, since it uses less digits than its factorization.

11121212010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71289820597 (or 71289820595 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11121212010012 its reverse (21001021212111), we get a palindrome (32122233222123).

The spelling of 11121212010012 in words is "eleven trillion, one hundred twenty-one billion, two hundred twelve million, ten thousand, twelve".