1200332133123 has 4 divisors (see below), whose sum is σ = 1600442844168. Its totient is φ = 800221422080.

The previous prime is 1200332133101. The next prime is 1200332133127. The reversal of 1200332133123 is 3213312330021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1200332133123 - 2⁴⁰ = 100820505347 is a prime.

It is a super-2 number, since 2×1200332133123² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1200332133093 and 1200332133102.

It is not an unprimeable number, because it can be changed into a prime (1200332133127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200055355518 + ... + 200055355523.

It is an arithmetic number, because the mean of its divisors is an integer number (400110711042).

Almost surely, 2^{1200332133123} is an apocalyptic number.

1200332133123 is a deficient number, since it is larger than the sum of its proper divisors (400110711045).

1200332133123 is an equidigital number, since it uses as much as digits as its factorization.

1200332133123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400110711044.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1200332133123 its reverse (3213312330021), we get a palindrome (4413644463144).

The spelling of 1200332133123 in words is "one trillion, two hundred billion, three hundred thirty-two million, one hundred thirty-three thousand, one hundred twenty-three".