1200133021112 has 32 divisors (see below), whose sum is σ = 2391680553600. Its totient is φ = 562964792544.

The previous prime is 1200133021111. The next prime is 1200133021121. The reversal of 1200133021112 is 2111203310021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200133021111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38312558 + ... + 38343869.

It is an arithmetic number, because the mean of its divisors is an integer number (74740017300).

Almost surely, 2^{1200133021112} is an apocalyptic number.

It is an amenable number.

1200133021112 is a deficient number, since it is larger than the sum of its proper divisors (1191547532488).

1200133021112 is a wasteful number, since it uses less digits than its factorization.

1200133021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76656555 (or 76656551 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1200133021112 its reverse (2111203310021), we get a palindrome (3311336331133).

The spelling of 1200133021112 in words is "one trillion, two hundred billion, one hundred thirty-three million, twenty-one thousand, one hundred twelve".