1211012000012 has 12 divisors (see below), whose sum is σ = 2119927346880. Its totient is φ = 605318472336.

The previous prime is 1211011999999. The next prime is 1211012000027. The reversal of 1211012000012 is 2100002101121.

It is a junction number, because it is equal to n+sod(n) for n = 1211011999957 and 1211012000002.

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, 46867388 + ... + 46893219.

It is an arithmetic number, because the mean of its divisors is an integer number (176660612240).

Almost surely, 2^{1211012000012} is an apocalyptic number.

It is an amenable number.

1211012000012 is a deficient number, since it is larger than the sum of its proper divisors (908915346868).

1211012000012 is a wasteful number, since it uses less digits than its factorization.

1211012000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93763840 (or 93763838 counting only the distinct ones).

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

Adding to 1211012000012 its reverse (2100002101121), we get a palindrome (3311014101133).

The spelling of 1211012000012 in words is "one trillion, two hundred eleven billion, twelve million, twelve", and thus it is an aban number.