126262214081 has 2 divisors, whose sum is σ = 126262214082. Its totient is φ = 126262214080.

The previous prime is 126262214051. The next prime is 126262214161. The reversal of 126262214081 is 180412262621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107885971600 + 18376242481 = 328460^2 + 135559^2 .

It is a cyclic number.

It is not a de Polignac number, because 126262214081 - 2¹⁰ = 126262213057 is a prime.

It is a super-2 number, since 2×126262214081² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (126262214041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63131107040 + 63131107041.

It is an arithmetic number, because the mean of its divisors is an integer number (63131107041).

Almost surely, 2^126262214081 is an apocalyptic number.

It is an amenable number.

126262214081 is a deficient number, since it is larger than the sum of its proper divisors (1).

126262214081 is an equidigital number, since it uses as much as digits as its factorization.

126262214081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 35.

The spelling of 126262214081 in words is "one hundred twenty-six billion, two hundred sixty-two million, two hundred fourteen thousand, eighty-one".