1200102220012 has 12 divisors (see below), whose sum is σ = 2223718819560. Its totient is φ = 564753985856.

The previous prime is 1200102220001. The next prime is 1200102220033. The reversal of 1200102220012 is 2100222010021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1200102219974 and 1200102220001.

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, 8824280962 + ... + 8824281097.

It is an arithmetic number, because the mean of its divisors is an integer number (185309901630).

Almost surely, 2^{1200102220012} is an apocalyptic number.

It is an amenable number.

1200102220012 is a deficient number, since it is larger than the sum of its proper divisors (1023616599548).

1200102220012 is a wasteful number, since it uses less digits than its factorization.

1200102220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17648562080 (or 17648562078 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1200102220012 its reverse (2100222010021), we get a palindrome (3300324230033).

The spelling of 1200102220012 in words is "one trillion, two hundred billion, one hundred two million, two hundred twenty thousand, twelve".