120310123213 has 6 divisors (see below), whose sum is σ = 139952592366. Its totient is φ = 103122962712.

The previous prime is 120310123211. The next prime is 120310123223. The reversal of 120310123213 is 312321013021.

It can be written as a sum of positive squares in only one way, i.e., 75992294889 + 44317828324 = 275667^2 + 210518^2 .

It is not a de Polignac number, because 120310123213 - 2¹ = 120310123211 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 (120310123211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1227654270 + ... + 1227654367.

It is an arithmetic number, because the mean of its divisors is an integer number (23325432061).

Almost surely, 2^120310123213 is an apocalyptic number.

It is an amenable number.

120310123213 is a deficient number, since it is larger than the sum of its proper divisors (19642469153).

120310123213 is an equidigital number, since it uses as much as digits as its factorization.

120310123213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2455308651 (or 2455308644 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 120310123213 its reverse (312321013021), we get a palindrome (432631136234).

The spelling of 120310123213 in words is "one hundred twenty billion, three hundred ten million, one hundred twenty-three thousand, two hundred thirteen".