120012221213 has 2 divisors, whose sum is σ = 120012221214. Its totient is φ = 120012221212.

The previous prime is 120012221207. The next prime is 120012221221. The reversal of 120012221213 is 312122210021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69007612249 + 51004608964 = 262693^2 + 225842^2 .

It is a cyclic number.

It is not a de Polignac number, because 120012221213 - 2¹⁸ = 120011959069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120012221191 and 120012221200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120012221513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60006110606 + 60006110607.

It is an arithmetic number, because the mean of its divisors is an integer number (60006110607).

Almost surely, 2^120012221213 is an apocalyptic number.

It is an amenable number.

120012221213 is a deficient number, since it is larger than the sum of its proper divisors (1).

120012221213 is an equidigital number, since it uses as much as digits as its factorization.

120012221213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 120012221213 its reverse (312122210021), we get a palindrome (432134431234).

The spelling of 120012221213 in words is "one hundred twenty billion, twelve million, two hundred twenty-one thousand, two hundred thirteen".