1200012013223 has 2 divisors, whose sum is σ = 1200012013224. Its totient is φ = 1200012013222.

The previous prime is 1200012013219. The next prime is 1200012013231. The reversal of 1200012013223 is 3223102100021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1200012013223 - 2² = 1200012013219 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200012012223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600006006611 + 600006006612.

It is an arithmetic number, because the mean of its divisors is an integer number (600006006612).

Almost surely, 2^{1200012013223} is an apocalyptic number.

1200012013223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200012013223 is an equidigital number, since it uses as much as digits as its factorization.

1200012013223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1200012013223 its reverse (3223102100021), we get a palindrome (4423114113244).

The spelling of 1200012013223 in words is "one trillion, two hundred billion, twelve million, thirteen thousand, two hundred twenty-three".