1201011222112 has 24 divisors (see below), whose sum is σ = 2546374755456. Its totient is φ = 554312871552.

The previous prime is 1201011222109. The next prime is 1201011222137. The reversal of 1201011222112 is 2112221101021.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1443522688 + ... + 1443523519.

It is an arithmetic number, because the mean of its divisors is an integer number (106098948144).

Almost surely, 2^{1201011222112} is an apocalyptic number.

It is an amenable number.

1201011222112 is an abundant number, since it is smaller than the sum of its proper divisors (1345363533344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201011222112 is a wasteful number, since it uses less digits than its factorization.

1201011222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2887046230 (or 2887046222 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1201011222112 its reverse (2112221101021), we get a palindrome (3313232323133).

The spelling of 1201011222112 in words is "one trillion, two hundred one billion, eleven million, two hundred twenty-two thousand, one hundred twelve".