1210102112112 has 80 divisors (see below), whose sum is σ = 3367154904960. Its totient is φ = 373250578176.

The previous prime is 1210102112083. The next prime is 1210102112113. The reversal of 1210102112112 is 2112112010121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1210102112091 and 1210102112100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210102112113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15389463 + ... + 15467894.

It is an arithmetic number, because the mean of its divisors is an integer number (42089436312).

Almost surely, 2^{1210102112112} is an apocalyptic number.

1210102112112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1210102112112 is an abundant number, since it is smaller than the sum of its proper divisors (2157052792848).

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

1210102112112 is a wasteful number, since it uses less digits than its factorization.

1210102112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30857430 (or 30857424 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1210102112112 its reverse (2112112010121), we get a palindrome (3322214122233).

The spelling of 1210102112112 in words is "one trillion, two hundred ten billion, one hundred two million, one hundred twelve thousand, one hundred twelve".