4012663750129 has 2 divisors, whose sum is σ = 4012663750130. Its totient is φ = 4012663750128.

The previous prime is 4012663750099. The next prime is 4012663750169. The reversal of 4012663750129 is 9210573662104.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3211808791104 + 800854959025 = 1792152^2 + 894905^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4012663750129 is a prime.

It is a super-2 number, since 2×4012663750129² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4012663750169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2006331875064 + 2006331875065.

It is an arithmetic number, because the mean of its divisors is an integer number (2006331875065).

Almost surely, 2^{4012663750129} is an apocalyptic number.

It is an amenable number.

4012663750129 is a deficient number, since it is larger than the sum of its proper divisors (1).

4012663750129 is an equidigital number, since it uses as much as digits as its factorization.

4012663750129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 4012663750129 in words is "four trillion, twelve billion, six hundred sixty-three million, seven hundred fifty thousand, one hundred twenty-nine".