1200120302001 has 16 divisors (see below), whose sum is σ = 1641623570496. Its totient is φ = 779612714496.

The previous prime is 1200120301997. The next prime is 1200120302033. The reversal of 1200120302001 is 1002030210021.

It is not a de Polignac number, because 1200120302001 - 2² = 1200120301997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200120302201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32993880 + ... + 33030233.

It is an arithmetic number, because the mean of its divisors is an integer number (102601473156).

Almost surely, 2^{1200120302001} is an apocalyptic number.

It is an amenable number.

1200120302001 is a deficient number, since it is larger than the sum of its proper divisors (441503268495).

1200120302001 is an equidigital number, since it uses as much as digits as its factorization.

1200120302001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66024272.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 1200120302001 its reverse (1002030210021), we get a palindrome (2202150512022).

The spelling of 1200120302001 in words is "one trillion, two hundred billion, one hundred twenty million, three hundred two thousand, one".