20125213254127 has 2 divisors, whose sum is σ = 20125213254128. Its totient is φ = 20125213254126.

The previous prime is 20125213254119. The next prime is 20125213254131. The reversal of 20125213254127 is 72145231252102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20125213254127 - 2³ = 20125213254119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20125213264127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10062606627063 + 10062606627064.

It is an arithmetic number, because the mean of its divisors is an integer number (10062606627064).

Almost surely, 2^{20125213254127} is an apocalyptic number.

20125213254127 is a deficient number, since it is larger than the sum of its proper divisors (1).

20125213254127 is an equidigital number, since it uses as much as digits as its factorization.

20125213254127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 37.

The spelling of 20125213254127 in words is "twenty trillion, one hundred twenty-five billion, two hundred thirteen million, two hundred fifty-four thousand, one hundred twenty-seven".