1212011112212 has 48 divisors (see below), whose sum is σ = 2268799787520. Its totient is φ = 565268726400.

The previous prime is 1212011112163. The next prime is 1212011112233. The reversal of 1212011112212 is 2122111102121.

It is a super-2 number, since 2×1212011112212² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1823762 + ... + 2397942.

It is an arithmetic number, because the mean of its divisors is an integer number (47266662240).

Almost surely, 2^{1212011112212} is an apocalyptic number.

It is an amenable number.

1212011112212 is a deficient number, since it is larger than the sum of its proper divisors (1056788675308).

1212011112212 is a wasteful number, since it uses less digits than its factorization.

1212011112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574832 (or 574830 counting only the distinct ones).

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

Adding to 1212011112212 its reverse (2122111102121), we get a palindrome (3334122214333).

The spelling of 1212011112212 in words is "one trillion, two hundred twelve billion, eleven million, one hundred twelve thousand, two hundred twelve".