1200343404329 has 4 divisors (see below), whose sum is σ = 1200411634884. Its totient is φ = 1200275173776.

The previous prime is 1200343404269. The next prime is 1200343404371. The reversal of 1200343404329 is 9234043430021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 643003515625 + 557339888704 = 801875^2 + 746552^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200343404329 - 2³⁶ = 1131623927593 is a prime.

It is a super-2 number, since 2×1200343404329² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200343400329) 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, 34088882 + ... + 34124075.

It is an arithmetic number, because the mean of its divisors is an integer number (300102908721).

Almost surely, 2^{1200343404329} is an apocalyptic number.

It is an amenable number.

1200343404329 is a deficient number, since it is larger than the sum of its proper divisors (68230555).

1200343404329 is an equidigital number, since it uses as much as digits as its factorization.

1200343404329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68230554.

The product of its (nonzero) digits is 62208, while the sum is 35.

The spelling of 1200343404329 in words is "one trillion, two hundred billion, three hundred forty-three million, four hundred four thousand, three hundred twenty-nine".