3011312111212 has 12 divisors (see below), whose sum is σ = 5307708398440. Its totient is φ = 1494823997376.

The previous prime is 3011312111207. The next prime is 3011312111221. The reversal of 3011312111212 is 2121112131103.

It is a super-2 number, since 2×3011312111212² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3011312111212.

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, 2708013933 + ... + 2708015044.

Almost surely, 2^{3011312111212} is an apocalyptic number.

It is an amenable number.

3011312111212 is a deficient number, since it is larger than the sum of its proper divisors (2296396287228).

3011312111212 is a wasteful number, since it uses less digits than its factorization.

3011312111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5416029120 (or 5416029118 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 3011312111212 its reverse (2121112131103), we get a palindrome (5132424242315).

The spelling of 3011312111212 in words is "three trillion, eleven billion, three hundred twelve million, one hundred eleven thousand, two hundred twelve".