1201013113231 has 16 divisors (see below), whose sum is σ = 1233472002048. Its totient is φ = 1168768036800.

The previous prime is 1201013113229. The next prime is 1201013113249. The reversal of 1201013113231 is 1323113101021.

It is a cyclic number.

It is not a de Polignac number, because 1201013113231 - 2¹ = 1201013113229 is a prime.

It is a super-2 number, since 2×1201013113231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201013113199 and 1201013113208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201013113031) 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, 12745170 + ... + 12839056.

It is an arithmetic number, because the mean of its divisors is an integer number (77092000128).

Almost surely, 2^{1201013113231} is an apocalyptic number.

1201013113231 is a deficient number, since it is larger than the sum of its proper divisors (32458888817).

1201013113231 is an equidigital number, since it uses as much as digits as its factorization.

1201013113231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95022.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1201013113231 its reverse (1323113101021), we get a palindrome (2524126214252).

The spelling of 1201013113231 in words is "one trillion, two hundred one billion, thirteen million, one hundred thirteen thousand, two hundred thirty-one".