1210212112112 has 40 divisors (see below), whose sum is σ = 2360668907520. Its totient is φ = 601019605440.

The previous prime is 1210212112111. The next prime is 1210212112133. The reversal of 1210212112112 is 2112112120121.

It is a super-2 number, since 2×1210212112112² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210212112111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1180037 + ... + 1952667.

It is an arithmetic number, because the mean of its divisors is an integer number (59016722688).

Almost surely, 2^{1210212112112} is an apocalyptic number.

It is an amenable number.

1210212112112 is a deficient number, since it is larger than the sum of its proper divisors (1150456795408).

1210212112112 is a wasteful number, since it uses less digits than its factorization.

1210212112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773301 (or 773295 counting only the distinct ones).

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

Adding to 1210212112112 its reverse (2112112120121), we get a palindrome (3322324232233).

The spelling of 1210212112112 in words is "one trillion, two hundred ten billion, two hundred twelve million, one hundred twelve thousand, one hundred twelve".