1200211100012 has 6 divisors (see below), whose sum is σ = 2100369425028. Its totient is φ = 600105550004.

The previous prime is 1200211099993. The next prime is 1200211100029. The reversal of 1200211100012 is 2100011120021.

It is a junction number, because it is equal to n+sod(n) for n = 1200211099966 and 1200211100002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150026387498 + ... + 150026387505.

It is an arithmetic number, because the mean of its divisors is an integer number (350061570838).

Almost surely, 2^{1200211100012} is an apocalyptic number.

It is an amenable number.

1200211100012 is a deficient number, since it is larger than the sum of its proper divisors (900158325016).

1200211100012 is a wasteful number, since it uses less digits than its factorization.

1200211100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300052775007 (or 300052775005 counting only the distinct ones).

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

Adding to 1200211100012 its reverse (2100011120021), we get a palindrome (3300222220033).

The spelling of 1200211100012 in words is "one trillion, two hundred billion, two hundred eleven million, one hundred thousand, twelve".