1201233023112 has 32 divisors (see below), whose sum is σ = 3133651366080. Its totient is φ = 383001833280.

The previous prime is 1201233023063. The next prime is 1201233023203. The reversal of 1201233023112 is 2113203321021.

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, 1088072839 + ... + 1088073942.

It is an arithmetic number, because the mean of its divisors is an integer number (97926605190).

Almost surely, 2^{1201233023112} is an apocalyptic number.

1201233023112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201233023112 is an abundant number, since it is smaller than the sum of its proper divisors (1932418342968).

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

1201233023112 is a wasteful number, since it uses less digits than its factorization.

1201233023112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176146813 (or 2176146809 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1201233023112 its reverse (2113203321021), we get a palindrome (3314436344133).

The spelling of 1201233023112 in words is "one trillion, two hundred one billion, two hundred thirty-three million, twenty-three thousand, one hundred twelve".