1200001023006 has 32 divisors (see below), whose sum is σ = 2511325969920. Its totient is φ = 381543242784.

The previous prime is 1200001022977. The next prime is 1200001023047. The reversal of 1200001023006 is 6003201000021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12061405 + ... + 12160488.

It is an arithmetic number, because the mean of its divisors is an integer number (78478936560).

Almost surely, 2^{1200001023006} is an apocalyptic number.

1200001023006 is an abundant number, since it is smaller than the sum of its proper divisors (1311324946914).

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

1200001023006 is a wasteful number, since it uses less digits than its factorization.

1200001023006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24222280.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1200001023006 its reverse (6003201000021), we get a palindrome (7203202023027).

The spelling of 1200001023006 in words is "one trillion, two hundred billion, one million, twenty-three thousand, six".