12010010111212 has 12 divisors (see below), whose sum is σ = 21017856809880. Its totient is φ = 6004908165536.

The previous prime is 12010010111189. The next prime is 12010010111243. The reversal of 12010010111212 is 21211101001021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12010010111192 and 12010010111201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23943262 + ... + 24439717.

It is an arithmetic number, because the mean of its divisors is an integer number (1751488067490).

Almost surely, 2^{12010010111212} is an apocalyptic number.

It is an amenable number.

12010010111212 is a deficient number, since it is larger than the sum of its proper divisors (9007846698668).

12010010111212 is a wasteful number, since it uses less digits than its factorization.

12010010111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48445040 (or 48445038 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12010010111212 its reverse (21211101001021), we get a palindrome (33221111112233).

The spelling of 12010010111212 in words is "twelve trillion, ten billion, ten million, one hundred eleven thousand, two hundred twelve".