1200420134033 has 4 divisors (see below), whose sum is σ = 1200422342640. Its totient is φ = 1200417925428.

The previous prime is 1200420134027. The next prime is 1200420134101. The reversal of 1200420134033 is 3304310240021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1200420134033 - 2¹⁰ = 1200420133009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200420134233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345038 + ... + 1587416.

It is an arithmetic number, because the mean of its divisors is an integer number (300105585660).

Almost surely, 2^{1200420134033} is an apocalyptic number.

It is an amenable number.

1200420134033 is a deficient number, since it is larger than the sum of its proper divisors (2208607).

1200420134033 is an equidigital number, since it uses as much as digits as its factorization.

1200420134033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2208606.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1200420134033 its reverse (3304310240021), we get a palindrome (4504730374054).

The spelling of 1200420134033 in words is "one trillion, two hundred billion, four hundred twenty million, one hundred thirty-four thousand, thirty-three".