120012211202137 has 2 divisors, whose sum is σ = 120012211202138. Its totient is φ = 120012211202136.

The previous prime is 120012211202119. The next prime is 120012211202171. The reversal of 120012211202137 is 731202112210021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91413791835136 + 28598419367001 = 9561056^2 + 5347749^2 .

It is a cyclic number.

It is not a de Polignac number, because 120012211202137 - 2¹⁵ = 120012211169369 is a prime.

It is not a weakly prime, because it can be changed into another prime (120012211202197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60006105601068 + 60006105601069.

It is an arithmetic number, because the mean of its divisors is an integer number (60006105601069).

Almost surely, 2^{120012211202137} is an apocalyptic number.

It is an amenable number.

120012211202137 is a deficient number, since it is larger than the sum of its proper divisors (1).

120012211202137 is an equidigital number, since it uses as much as digits as its factorization.

120012211202137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 25.

Adding to 120012211202137 its reverse (731202112210021), we get a palindrome (851214323412158).

The spelling of 120012211202137 in words is "one hundred twenty trillion, twelve billion, two hundred eleven million, two hundred two thousand, one hundred thirty-seven".