1200230223231 has 32 divisors (see below), whose sum is σ = 1814212189440. Its totient is φ = 699691163904.

The previous prime is 1200230223209. The next prime is 1200230223251. The reversal of 1200230223231 is 1323220320021.

It is a happy number.

It is not a de Polignac number, because 1200230223231 - 2⁷ = 1200230223103 is a prime.

It is a super-2 number, since 2×1200230223231² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1200230223198 and 1200230223207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200230223251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19170280 + ... + 19232786.

It is an arithmetic number, because the mean of its divisors is an integer number (56694130920).

Almost surely, 2^{1200230223231} is an apocalyptic number.

1200230223231 is a deficient number, since it is larger than the sum of its proper divisors (613981966209).

1200230223231 is a wasteful number, since it uses less digits than its factorization.

1200230223231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88455.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1200230223231 its reverse (1323220320021), we get a palindrome (2523450543252).

The spelling of 1200230223231 in words is "one trillion, two hundred billion, two hundred thirty million, two hundred twenty-three thousand, two hundred thirty-one".