12021034112137 has 2 divisors, whose sum is σ = 12021034112138. Its totient is φ = 12021034112136.

The previous prime is 12021034112093. The next prime is 12021034112159. The reversal of 12021034112137 is 73121143012021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7285270367376 + 4735763744761 = 2699124^2 + 2176181^2 .

It is a cyclic number.

It is not a de Polignac number, because 12021034112137 - 2¹¹ = 12021034110089 is a prime.

It is a super-2 number, since 2×12021034112137² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12021034142137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010517056068 + 6010517056069.

It is an arithmetic number, because the mean of its divisors is an integer number (6010517056069).

Almost surely, 2^{12021034112137} is an apocalyptic number.

It is an amenable number.

12021034112137 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021034112137 is an equidigital number, since it uses as much as digits as its factorization.

12021034112137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

Adding to 12021034112137 its reverse (73121143012021), we get a palindrome (85142177124158).

The spelling of 12021034112137 in words is "twelve trillion, twenty-one billion, thirty-four million, one hundred twelve thousand, one hundred thirty-seven".