1210212210112 has 56 divisors (see below), whose sum is σ = 2624805682560. Its totient is φ = 551140270080.

The previous prime is 1210212210091. The next prime is 1210212210241. The reversal of 1210212210112 is 2110122120121.

It is a super-2 number, since 2×1210212210112² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17907037 + ... + 17974492.

Almost surely, 2^{1210212210112} is an apocalyptic number.

It is an amenable number.

1210212210112 is an abundant number, since it is smaller than the sum of its proper divisors (1414593472448).

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

1210212210112 is a wasteful number, since it uses less digits than its factorization.

1210212210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35881589 (or 35881579 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1210212210112 its reverse (2110122120121), we get a palindrome (3320334330233).

The spelling of 1210212210112 in words is "one trillion, two hundred ten billion, two hundred twelve million, two hundred ten thousand, one hundred twelve".