12012112111010 has 96 divisors (see below), whose sum is σ = 24016911367680. Its totient is φ = 4321967569920.

The previous prime is 12012112111007. The next prime is 12012112111019. The reversal of 12012112111010 is 1011121121021.

It is not an unprimeable number, because it can be changed into a prime (12012112111019) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 619586537 + ... + 619605923.

It is an arithmetic number, because the mean of its divisors is an integer number (250176160080).

Almost surely, 2^{12012112111010} is an apocalyptic number.

12012112111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012112111010 is a deficient number, since it is larger than the sum of its proper divisors (12004799256670).

12012112111010 is a wasteful number, since it uses less digits than its factorization.

12012112111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24792 (or 24781 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 12012112111010 its reverse (1011121121021), we get a palindrome (13023233232031).

The spelling of 12012112111010 in words is "twelve trillion, twelve billion, one hundred twelve million, one hundred eleven thousand, ten".