1212102110012 has 12 divisors (see below), whose sum is σ = 2166310154400. Its totient is φ = 593156351616.

The previous prime is 1212102110003. The next prime is 1212102110027. The reversal of 1212102110012 is 2100112012121.

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, 3223675637 + ... + 3223676012.

It is an arithmetic number, because the mean of its divisors is an integer number (180525846200).

Almost surely, 2^{1212102110012} is an apocalyptic number.

It is an amenable number.

1212102110012 is a deficient number, since it is larger than the sum of its proper divisors (954208044388).

1212102110012 is a wasteful number, since it uses less digits than its factorization.

1212102110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6447351700 (or 6447351698 counting only the distinct ones).

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

Adding to 1212102110012 its reverse (2100112012121), we get a palindrome (3312214122133).

The spelling of 1212102110012 in words is "one trillion, two hundred twelve billion, one hundred two million, one hundred ten thousand, twelve".