1211202133112 has 32 divisors (see below), whose sum is σ = 2344912053120. Its totient is φ = 585903083520.

The previous prime is 1211202133103. The next prime is 1211202133123. The reversal of 1211202133112 is 2113312021121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221888 + ... + 1572144.

It is an arithmetic number, because the mean of its divisors is an integer number (73278501660).

Almost surely, 2^{1211202133112} is an apocalyptic number.

It is an amenable number.

1211202133112 is a deficient number, since it is larger than the sum of its proper divisors (1133709920008).

1211202133112 is a wasteful number, since it uses less digits than its factorization.

1211202133112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353911 (or 1353907 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1211202133112 its reverse (2113312021121), we get a palindrome (3324514154233).

The spelling of 1211202133112 in words is "one trillion, two hundred eleven billion, two hundred two million, one hundred thirty-three thousand, one hundred twelve".