1200434040043 has 8 divisors (see below), whose sum is σ = 1373245053440. Its totient is φ = 1027953135720.

The previous prime is 1200434040019. The next prime is 1200434040049. The reversal of 1200434040043 is 3400404340021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1200434040043 - 2⁵ = 1200434040011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200434040049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82519473 + ... + 82534018.

It is an arithmetic number, because the mean of its divisors is an integer number (171655631680).

Almost surely, 2^{1200434040043} is an apocalyptic number.

1200434040043 is a deficient number, since it is larger than the sum of its proper divisors (172811013397).

1200434040043 is a wasteful number, since it uses less digits than its factorization.

1200434040043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165054537.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 1200434040043 its reverse (3400404340021), we get a palindrome (4600838380064).

The spelling of 1200434040043 in words is "one trillion, two hundred billion, four hundred thirty-four million, forty thousand, forty-three".