11111000212012 has 6 divisors (see below), whose sum is σ = 19444250371028. Its totient is φ = 5555500106004.

The previous prime is 11111000212001. The next prime is 11111000212021. The reversal of 11111000212012 is 21021200011111.

It is a happy number.

It is a super-2 number, since 2×11111000212012² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11111000211983 and 11111000212001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1388875026498 + ... + 1388875026505.

Almost surely, 2^{11111000212012} is an apocalyptic number.

It is an amenable number.

11111000212012 is a deficient number, since it is larger than the sum of its proper divisors (8333250159016).

11111000212012 is a wasteful number, since it uses less digits than its factorization.

11111000212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2777750053007 (or 2777750053005 counting only the distinct ones).

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

Adding to 11111000212012 its reverse (21021200011111), we get a palindrome (32132200223123).

The spelling of 11111000212012 in words is "eleven trillion, one hundred eleven billion, two hundred twelve thousand, twelve".