20125213254130 has 8 divisors (see below), whose sum is σ = 36225383857452. Its totient is φ = 8050085301648.

The previous prime is 20125213254127. The next prime is 20125213254131. The reversal of 20125213254130 is 3145231252102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17676836410689 + 2448376843441 = 4204383^2 + 1564729^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20125213254092 and 20125213254101.

It is not an unprimeable number, because it can be changed into a prime (20125213254131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1006260662697 + ... + 1006260662716.

Almost surely, 2^{20125213254130} is an apocalyptic number.

20125213254130 is a deficient number, since it is larger than the sum of its proper divisors (16100170603322).

20125213254130 is a wasteful number, since it uses less digits than its factorization.

20125213254130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012521325420.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 20125213254130 in words is "twenty trillion, one hundred twenty-five billion, two hundred thirteen million, two hundred fifty-four thousand, one hundred thirty".