1201211201013 has 16 divisors (see below), whose sum is σ = 1673923903680. Its totient is φ = 765222345216.

The previous prime is 1201211200997. The next prime is 1201211201023. The reversal of 1201211201013 is 3101021121021.

It is not a de Polignac number, because 1201211201013 - 2⁴ = 1201211200997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201211200983 and 1201211201001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201211201023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71161795 + ... + 71178672.

It is an arithmetic number, because the mean of its divisors is an integer number (104620243980).

Almost surely, 2^{1201211201013} is an apocalyptic number.

It is an amenable number.

1201211201013 is a deficient number, since it is larger than the sum of its proper divisors (472712702667).

1201211201013 is a wasteful number, since it uses less digits than its factorization.

1201211201013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142340596.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1201211201013 its reverse (3101021121021), we get a palindrome (4302232322034).

The spelling of 1201211201013 in words is "one trillion, two hundred one billion, two hundred eleven million, two hundred one thousand, thirteen".