12121200996937 has 2 divisors, whose sum is σ = 12121200996938. Its totient is φ = 12121200996936.

The previous prime is 12121200996923. The next prime is 12121200997021. The reversal of 12121200996937 is 73969900212121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10064096380816 + 2057104616121 = 3172396^2 + 1434261^2 .

It is a cyclic number.

It is not a de Polignac number, because 12121200996937 - 2²⁷ = 12121066779209 is a prime.

It is not a weakly prime, because it can be changed into another prime (12121200996337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060600498468 + 6060600498469.

It is an arithmetic number, because the mean of its divisors is an integer number (6060600498469).

Almost surely, 2^{12121200996937} is an apocalyptic number.

It is an amenable number.

12121200996937 is a deficient number, since it is larger than the sum of its proper divisors (1).

12121200996937 is an equidigital number, since it uses as much as digits as its factorization.

12121200996937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 52.

The spelling of 12121200996937 in words is "twelve trillion, one hundred twenty-one billion, two hundred million, nine hundred ninety-six thousand, nine hundred thirty-seven".