1200325997105 has 16 divisors (see below), whose sum is σ = 1527040717824. Its totient is φ = 904168837440.

The previous prime is 1200325997069. The next prime is 1200325997201. The reversal of 1200325997105 is 5017995230021.

It is a happy number.

It is not a de Polignac number, because 1200325997105 - 2²⁸ = 1200057561649 is a prime.

It is a super-2 number, since 2×1200325997105² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104643437 + ... + 104654906.

It is an arithmetic number, because the mean of its divisors is an integer number (95440044864).

Almost surely, 2^{1200325997105} is an apocalyptic number.

It is an amenable number.

1200325997105 is a deficient number, since it is larger than the sum of its proper divisors (326714720719).

1200325997105 is a wasteful number, since it uses less digits than its factorization.

1200325997105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209298416.

The product of its (nonzero) digits is 170100, while the sum is 44.

The spelling of 1200325997105 in words is "one trillion, two hundred billion, three hundred twenty-five million, nine hundred ninety-seven thousand, one hundred five".