2111212000012 has 6 divisors (see below), whose sum is σ = 3694621000028. Its totient is φ = 1055606000004.

The previous prime is 2111211999991. The next prime is 2111212000039. The reversal of 2111212000012 is 2100002121112.

It is a super-2 number, since 2×2111212000012² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2111211999956 and 2111212000001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263901499998 + ... + 263901500005.

Almost surely, 2^{2111212000012} is an apocalyptic number.

It is an amenable number.

2111212000012 is a deficient number, since it is larger than the sum of its proper divisors (1583409000016).

2111212000012 is a wasteful number, since it uses less digits than its factorization.

2111212000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527803000007 (or 527803000005 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2111212000012 its reverse (2100002121112), we get a palindrome (4211214121124).

The spelling of 2111212000012 in words is "two trillion, one hundred eleven billion, two hundred twelve million, twelve", and thus it is an aban number.