11012120121212 has 24 divisors (see below), whose sum is σ = 23319783787104. Its totient is φ = 4441863578112.

The previous prime is 11012120121181. The next prime is 11012120121221. The reversal of 11012120121212 is 21212102121011.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 11567352593 + ... + 11567353544.

It is an arithmetic number, because the mean of its divisors is an integer number (971657657796).

Almost surely, 2^{11012120121212} is an apocalyptic number.

It is an amenable number.

11012120121212 is an abundant number, since it is smaller than the sum of its proper divisors (12307663665892).

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

11012120121212 is a wasteful number, since it uses less digits than its factorization.

11012120121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23134706165 (or 23134706163 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11012120121212 its reverse (21212102121011), we get a palindrome (32224222242223).

The spelling of 11012120121212 in words is "eleven trillion, twelve billion, one hundred twenty million, one hundred twenty-one thousand, two hundred twelve".