12210131123137 has 2 divisors, whose sum is σ = 12210131123138. Its totient is φ = 12210131123136.

The previous prime is 12210131123101. The next prime is 12210131123143. The reversal of 12210131123137 is 73132113101221.

It is a happy number.

12210131123137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8145778354561 + 4064352768576 = 2854081^2 + 2016024^2 .

It is a cyclic number.

It is not a de Polignac number, because 12210131123137 - 2⁷ = 12210131123009 is a prime.

It is not a weakly prime, because it can be changed into another prime (12210131123167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105065561568 + 6105065561569.

It is an arithmetic number, because the mean of its divisors is an integer number (6105065561569).

Almost surely, 2^{12210131123137} is an apocalyptic number.

It is an amenable number.

12210131123137 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210131123137 is an equidigital number, since it uses as much as digits as its factorization.

12210131123137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

Adding to 12210131123137 its reverse (73132113101221), we get a palindrome (85342244224358).

The spelling of 12210131123137 in words is "twelve trillion, two hundred ten billion, one hundred thirty-one million, one hundred twenty-three thousand, one hundred thirty-seven".