11212010121212 has 12 divisors (see below), whose sum is σ = 19644743253240. Its totient is φ = 5599226334576.

The previous prime is 11212010121211. The next prime is 11212010121241. The reversal of 11212010121212 is 21212101021211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212010121211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1694677787 + ... + 1694684402.

It is an arithmetic number, because the mean of its divisors is an integer number (1637061937770).

Almost surely, 2^{11212010121212} is an apocalyptic number.

It is an amenable number.

11212010121212 is a deficient number, since it is larger than the sum of its proper divisors (8432733132028).

11212010121212 is a wasteful number, since it uses less digits than its factorization.

11212010121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3389363020 (or 3389363018 counting only the distinct ones).

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

Adding to 11212010121212 its reverse (21212101021211), we get a palindrome (32424111142423).

The spelling of 11212010121212 in words is "eleven trillion, two hundred twelve billion, ten million, one hundred twenty-one thousand, two hundred twelve".