1210120012112 has 40 divisors (see below), whose sum is σ = 2560319483232. Its totient is φ = 549502761600.

The previous prime is 1210120012081. The next prime is 1210120012117. The reversal of 1210120012112 is 2112100210121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210120012117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3272714 + ... + 3623657.

Almost surely, 2^{1210120012112} is an apocalyptic number.

It is an amenable number.

1210120012112 is an abundant number, since it is smaller than the sum of its proper divisors (1350199471120).

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

1210120012112 is a wasteful number, since it uses less digits than its factorization.

1210120012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6897387 (or 6897381 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1210120012112 its reverse (2112100210121), we get a palindrome (3322220222233).

The spelling of 1210120012112 in words is "one trillion, two hundred ten billion, one hundred twenty million, twelve thousand, one hundred twelve".