120310211111213 has 4 divisors (see below), whose sum is σ = 120920922842940. Its totient is φ = 119699499379488.

The previous prime is 120310211111159. The next prime is 120310211111267. The reversal of 120310211111213 is 312111112013021.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (120310211111159) and next prime (120310211111267).

It can be written as a sum of positive squares in 2 ways, for example, as 119161719518884 + 1148491592329 = 10916122^2 + 1071677^2 .

It is a cyclic number.

It is not a de Polignac number, because 120310211111213 - 2³⁴ = 120293031242029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120310211111273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305355865568 + ... + 305355865961.

It is an arithmetic number, because the mean of its divisors is an integer number (30230230710735).

Almost surely, 2^{120310211111213} is an apocalyptic number.

It is an amenable number.

120310211111213 is a deficient number, since it is larger than the sum of its proper divisors (610711731727).

120310211111213 is an equidigital number, since it uses as much as digits as its factorization.

120310211111213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610711731726.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 120310211111213 its reverse (312111112013021), we get a palindrome (432421323124234).

The spelling of 120310211111213 in words is "one hundred twenty trillion, three hundred ten billion, two hundred eleven million, one hundred eleven thousand, two hundred thirteen".