1201310211213 has 24 divisors (see below), whose sum is σ = 1996248498816. Its totient is φ = 681916860000.

The previous prime is 1201310211203. The next prime is 1201310211217. The reversal of 1201310211213 is 3121120131021.

1201310211213 is a `hidden beast` number, since 120 + 1 + 310 + 21 + 1 + 213 = 666.

It is not a de Polignac number, because 1201310211213 - 2²⁶ = 1201243102349 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201310211217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63130938 + ... + 63149963.

It is an arithmetic number, because the mean of its divisors is an integer number (83177020784).

Almost surely, 2^{1201310211213} is an apocalyptic number.

It is an amenable number.

1201310211213 is a deficient number, since it is larger than the sum of its proper divisors (794938287603).

1201310211213 is a wasteful number, since it uses less digits than its factorization.

1201310211213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126281065 (or 126281062 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1201310211213 its reverse (3121120131021), we get a palindrome (4322430342234).

The spelling of 1201310211213 in words is "one trillion, two hundred one billion, three hundred ten million, two hundred eleven thousand, two hundred thirteen".