1210112002120 has 64 divisors (see below), whose sum is σ = 3112398846720. Its totient is φ = 414804574464.

The previous prime is 1210112002081. The next prime is 1210112002139. The reversal of 1210112002120 is 212002110121.

It is a self number, because there is not a number n which added to its sum of digits gives 1210112002120.

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, 811734 + ... + 1754746.

It is an arithmetic number, because the mean of its divisors is an integer number (48631231980).

Almost surely, 2^{1210112002120} is an apocalyptic number.

1210112002120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210112002120 is an abundant number, since it is smaller than the sum of its proper divisors (1902286844600).

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

1210112002120 is a wasteful number, since it uses less digits than its factorization.

1210112002120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947614 (or 947610 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1210112002120 its reverse (212002110121), we get a palindrome (1422114112241).

The spelling of 1210112002120 in words is "one trillion, two hundred ten billion, one hundred twelve million, two thousand, one hundred twenty".