1200343404330 has 144 divisors (see below), whose sum is σ = 3632544385704. Its totient is φ = 274204143360.

The previous prime is 1200343404269. The next prime is 1200343404371. The reversal of 1200343404330 is 334043430021.

It can be written as a sum of positive squares in 4 ways, for example, as 1068066441729 + 132276962601 = 1033473^2 + 363699^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1200343404294 and 1200343404303.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7564000 + ... + 7721060.

Almost surely, 2^{1200343404330} is an apocalyptic number.

1200343404330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1200343404330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1816272192852).

1200343404330 is an abundant number, since it is smaller than the sum of its proper divisors (2432200981374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1200343404330 is a wasteful number, since it uses less digits than its factorization.

1200343404330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158821 (or 158811 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 1200343404330 its reverse (334043430021), we get a palindrome (1534386834351).

The spelling of 1200343404330 in words is "one trillion, two hundred billion, three hundred forty-three million, four hundred four thousand, three hundred thirty".