4512245200121 has 2 divisors, whose sum is σ = 4512245200122. Its totient is φ = 4512245200120.

The previous prime is 4512245200109. The next prime is 4512245200147. The reversal of 4512245200121 is 1210025422154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3877138212025 + 635106988096 = 1969045^2 + 796936^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4512245200121 is a prime.

It is not a weakly prime, because it can be changed into another prime (4512245200721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2256122600060 + 2256122600061.

It is an arithmetic number, because the mean of its divisors is an integer number (2256122600061).

Almost surely, 2^{4512245200121} is an apocalyptic number.

It is an amenable number.

4512245200121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4512245200121 is an equidigital number, since it uses as much as digits as its factorization.

4512245200121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6400, while the sum is 29.

The spelling of 4512245200121 in words is "four trillion, five hundred twelve billion, two hundred forty-five million, two hundred thousand, one hundred twenty-one".