1201211300001 has 8 divisors (see below), whose sum is σ = 1601632008000. Its totient is φ = 800799062672.

The previous prime is 1201211299969. The next prime is 1201211300021. The reversal of 1201211300001 is 1000031121021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1201211300001 - 2⁵ = 1201211299969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1201211300001.

It is not an unprimeable number, because it can be changed into a prime (1201211300021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1779045 + ... + 2359538.

It is an arithmetic number, because the mean of its divisors is an integer number (200204001000).

Almost surely, 2^{1201211300001} is an apocalyptic number.

It is an amenable number.

1201211300001 is a deficient number, since it is larger than the sum of its proper divisors (400420707999).

1201211300001 is an equidigital number, since it uses as much as digits as its factorization.

1201211300001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4235335.

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

Adding to 1201211300001 its reverse (1000031121021), we get a palindrome (2201242421022).

The spelling of 1201211300001 in words is "one trillion, two hundred one billion, two hundred eleven million, three hundred thousand, one".