1200020023233 has 6 divisors (see below), whose sum is σ = 1733362255794. Its totient is φ = 800013348816.

The previous prime is 1200020023219. The next prime is 1200020023253. The reversal of 1200020023233 is 3323200200021.

It is a happy number.

1200020023233 is a `hidden beast` number, since 1 + 200 + 0 + 200 + 232 + 33 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1125653097024 + 74366926209 = 1060968^2 + 272703^2 .

It is not a de Polignac number, because 1200020023233 - 2⁸ = 1200020022977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200020023253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66667779060 + ... + 66667779077.

It is an arithmetic number, because the mean of its divisors is an integer number (288893709299).

Almost surely, 2^{1200020023233} is an apocalyptic number.

It is an amenable number.

1200020023233 is a deficient number, since it is larger than the sum of its proper divisors (533342232561).

1200020023233 is a wasteful number, since it uses less digits than its factorization.

1200020023233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133335558143 (or 133335558140 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 1200020023233 its reverse (3323200200021), we get a palindrome (4523220223254).

The spelling of 1200020023233 in words is "one trillion, two hundred billion, twenty million, twenty-three thousand, two hundred thirty-three".