12012100310012 has 24 divisors (see below), whose sum is σ = 22933906412592. Its totient is φ = 5459637283200.

The previous prime is 12012100310009. The next prime is 12012100310069. The reversal of 12012100310012 is 21001300121021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9612353 + ... + 10789880.

It is an arithmetic number, because the mean of its divisors is an integer number (955579433858).

Almost surely, 2^{12012100310012} is an apocalyptic number.

It is an amenable number.

12012100310012 is a deficient number, since it is larger than the sum of its proper divisors (10921806102580).

12012100310012 is a wasteful number, since it uses less digits than its factorization.

12012100310012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20415629 (or 20415627 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12012100310012 its reverse (21001300121021), we get a palindrome (33013400431033).

The spelling of 12012100310012 in words is "twelve trillion, twelve billion, one hundred million, three hundred ten thousand, twelve".