1200040402433 has 12 divisors (see below), whose sum is σ = 1254557486448. Its totient is φ = 1147798023240.

The previous prime is 1200040402427. The next prime is 1200040402441. The reversal of 1200040402433 is 3342040400021.

It is not a de Polignac number, because 1200040402433 - 2¹⁸ = 1200040140289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1200040402399 and 1200040402408.

It is not an unprimeable number, because it can be changed into a prime (1200040402133) 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 11 ways as a sum of consecutive naturals, for example, 10707818 + ... + 10819308.

It is an arithmetic number, because the mean of its divisors is an integer number (104546457204).

Almost surely, 2^{1200040402433} is an apocalyptic number.

It is an amenable number.

1200040402433 is a deficient number, since it is larger than the sum of its proper divisors (54517084015).

1200040402433 is a wasteful number, since it uses less digits than its factorization.

1200040402433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131884 (or 131861 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 1200040402433 its reverse (3342040400021), we get a palindrome (4542080802454).

The spelling of 1200040402433 in words is "one trillion, two hundred billion, forty million, four hundred two thousand, four hundred thirty-three".