213312012301123 has 2 divisors, whose sum is σ = 213312012301124. Its totient is φ = 213312012301122.

The previous prime is 213312012301099. The next prime is 213312012301319. The reversal of 213312012301123 is 321103210213312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213312012301123 - 2³⁷ = 213174573347651 is a prime.

It is a super-2 number, since 2×213312012301123² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (213312012301723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106656006150561 + 106656006150562.

It is an arithmetic number, because the mean of its divisors is an integer number (106656006150562).

Almost surely, 2^{213312012301123} is an apocalyptic number.

213312012301123 is a deficient number, since it is larger than the sum of its proper divisors (1).

213312012301123 is an equidigital number, since it uses as much as digits as its factorization.

213312012301123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 213312012301123 its reverse (321103210213312), we get a palindrome (534415222514435).

The spelling of 213312012301123 in words is "two hundred thirteen trillion, three hundred twelve billion, twelve million, three hundred one thousand, one hundred twenty-three".