1200221012012 has 24 divisors (see below), whose sum is σ = 2411927394240. Its totient is φ = 516841583760.

The previous prime is 1200221011961. The next prime is 1200221012041. The reversal of 1200221012012 is 2102101220021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 717834698 + ... + 717836369.

It is an arithmetic number, because the mean of its divisors is an integer number (100496974760).

Almost surely, 2^{1200221012012} is an apocalyptic number.

It is an amenable number.

1200221012012 is an abundant number, since it is smaller than the sum of its proper divisors (1211706382228).

1200221012012 is a wasteful number, since it uses less digits than its factorization.

1200221012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435671101 (or 1435671099 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1200221012012 its reverse (2102101220021), we get a palindrome (3302322232033).

The spelling of 1200221012012 in words is "one trillion, two hundred billion, two hundred twenty-one million, twelve thousand, twelve".