211112000012 has 6 divisors (see below), whose sum is σ = 369446000028. Its totient is φ = 105556000004.

The previous prime is 211112000003. The next prime is 211112000017. The reversal of 211112000012 is 210000211112.

It is a junction number, because it is equal to n+sod(n) for n = 211111999957 and 211112000002.

It is not an unprimeable number, because it can be changed into a prime (211112000017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26388999998 + ... + 26389000005.

It is an arithmetic number, because the mean of its divisors is an integer number (61574333338).

Almost surely, 2^211112000012 is an apocalyptic number.

It is an amenable number.

211112000012 is a deficient number, since it is larger than the sum of its proper divisors (158334000016).

211112000012 is a wasteful number, since it uses less digits than its factorization.

211112000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52778000007 (or 52778000005 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 211112000012 its reverse (210000211112), we get a palindrome (421112211124).

The spelling of 211112000012 in words is "two hundred eleven billion, one hundred twelve million, twelve", and thus it is an aban number.