1012201220012 has 24 divisors (see below), whose sum is σ = 1878319787904. Its totient is φ = 475626374912.

The previous prime is 1012201219993. The next prime is 1012201220039. The reversal of 1012201220012 is 2100221022101.

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, 10947548 + ... + 11039619.

It is an arithmetic number, because the mean of its divisors is an integer number (78263324496).

Almost surely, 2^{1012201220012} is an apocalyptic number.

It is an amenable number.

1012201220012 is a deficient number, since it is larger than the sum of its proper divisors (866118567892).

1012201220012 is a wasteful number, since it uses less digits than its factorization.

1012201220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21987865 (or 21987863 counting only the distinct ones).

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

Adding to 1012201220012 its reverse (2100221022101), we get a palindrome (3112422242113).

The spelling of 1012201220012 in words is "one trillion, twelve billion, two hundred one million, two hundred twenty thousand, twelve".