1201211200012 has 12 divisors (see below), whose sum is σ = 2102127794200. Its totient is φ = 600603258816.

The previous prime is 1201211200003. The next prime is 1201211200019. The reversal of 1201211200012 is 2100021121021.

It is a junction number, because it is equal to n+sod(n) for n = 1201211199965 and 1201211200001.

It is not an unprimeable number, because it can be changed into a prime (1201211200019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1123348 + ... + 1914244.

Almost surely, 2^{1201211200012} is an apocalyptic number.

It is an amenable number.

1201211200012 is a deficient number, since it is larger than the sum of its proper divisors (900916594188).

1201211200012 is a wasteful number, since it uses less digits than its factorization.

1201211200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170600 (or 1170598 counting only the distinct ones).

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

Adding to 1201211200012 its reverse (2100021121021), we get a palindrome (3301232321033).

The spelling of 1201211200012 in words is "one trillion, two hundred one billion, two hundred eleven million, two hundred thousand, twelve".