1212112102112 has 24 divisors (see below), whose sum is σ = 2390584361256. Its totient is φ = 604979565952.

The previous prime is 1212112102063. The next prime is 1212112102231. The reversal of 1212112102112 is 2112012112121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33621863 + ... + 33657894.

It is an arithmetic number, because the mean of its divisors is an integer number (99607681719).

Almost surely, 2^{1212112102112} is an apocalyptic number.

It is an amenable number.

1212112102112 is a deficient number, since it is larger than the sum of its proper divisors (1178472259144).

1212112102112 is an equidigital number, since it uses as much as digits as its factorization.

1212112102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67280330 (or 67280322 counting only the distinct ones).

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

Adding to 1212112102112 its reverse (2112012112121), we get a palindrome (3324124214233).

The spelling of 1212112102112 in words is "one trillion, two hundred twelve billion, one hundred twelve million, one hundred two thousand, one hundred twelve".