25122030029 has 2 divisors, whose sum is σ = 25122030030. Its totient is φ = 25122030028.

The previous prime is 25122029987. The next prime is 25122030053. The reversal of 25122030029 is 92003022152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16223881129 + 8898148900 = 127373^2 + 94330^2 .

It is a cyclic number.

It is not a de Polignac number, because 25122030029 - 2⁸ = 25122029773 is a prime.

It is a super-2 number, since 2×25122030029² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25122090029) 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, 12561015014 + 12561015015.

It is an arithmetic number, because the mean of its divisors is an integer number (12561015015).

Almost surely, 2^25122030029 is an apocalyptic number.

It is an amenable number.

25122030029 is a deficient number, since it is larger than the sum of its proper divisors (1).

25122030029 is an equidigital number, since it uses as much as digits as its factorization.

25122030029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The spelling of 25122030029 in words is "twenty-five billion, one hundred twenty-two million, thirty thousand, twenty-nine".