20112014123213 has 2 divisors, whose sum is σ = 20112014123214. Its totient is φ = 20112014123212.

The previous prime is 20112014123143. The next prime is 20112014123269. The reversal of 20112014123213 is 31232141021102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20101978491529 + 10035631684 = 4483523^2 + 100178^2 .

It is a cyclic number.

It is not a de Polignac number, because 20112014123213 - 2¹⁶ = 20112014057677 is a prime.

It is a super-2 number, since 2×20112014123213² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20112014123273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056007061606 + 10056007061607.

It is an arithmetic number, because the mean of its divisors is an integer number (10056007061607).

Almost surely, 2^{20112014123213} is an apocalyptic number.

It is an amenable number.

20112014123213 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112014123213 is an equidigital number, since it uses as much as digits as its factorization.

20112014123213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 20112014123213 its reverse (31232141021102), we get a palindrome (51344155144315).

The spelling of 20112014123213 in words is "twenty trillion, one hundred twelve billion, fourteen million, one hundred twenty-three thousand, two hundred thirteen".