12102121937 has 2 divisors, whose sum is σ = 12102121938. Its totient is φ = 12102121936.

The previous prime is 12102121879. The next prime is 12102121951. The reversal of 12102121937 is 73912120121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11275041856 + 827080081 = 106184^2 + 28759^2 .

It is a cyclic number.

It is not a de Polignac number, because 12102121937 - 2⁶ = 12102121873 is a prime.

It is a super-2 number, since 2×12102121937² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12102121337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051060968 + 6051060969.

It is an arithmetic number, because the mean of its divisors is an integer number (6051060969).

Almost surely, 2^12102121937 is an apocalyptic number.

It is an amenable number.

12102121937 is a deficient number, since it is larger than the sum of its proper divisors (1).

12102121937 is an equidigital number, since it uses as much as digits as its factorization.

12102121937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 29.

The spelling of 12102121937 in words is "twelve billion, one hundred two million, one hundred twenty-one thousand, nine hundred thirty-seven".