1200210020012 has 12 divisors (see below), whose sum is σ = 2102400811896. Its totient is φ = 599524073760.

The previous prime is 1200210019997. The next prime is 1200210020047. The reversal of 1200210020012 is 2100200120021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1200210019975 and 1200210020002.

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, 145229414 + ... + 145237677.

It is an arithmetic number, because the mean of its divisors is an integer number (175200067658).

Almost surely, 2^{1200210020012} is an apocalyptic number.

It is an amenable number.

1200210020012 is a deficient number, since it is larger than the sum of its proper divisors (902190791884).

1200210020012 is a wasteful number, since it uses less digits than its factorization.

1200210020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290468128 (or 290468126 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1200210020012 its reverse (2100200120021), we get a palindrome (3300410140033).

The spelling of 1200210020012 in words is "one trillion, two hundred billion, two hundred ten million, twenty thousand, twelve".