25212551200142 has 8 divisors (see below), whose sum is σ = 37818942969576. Its totient is φ = 12606236876952.

The previous prime is 25212551200127. The next prime is 25212551200171. The reversal of 25212551200142 is 24100215521252.

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 = 25212551200099 and 25212551200108.

It is a congruent number.

It is an unprimeable number.

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, 18540728 + ... + 19854059.

It is an arithmetic number, because the mean of its divisors is an integer number (4727367871197).

Almost surely, 2^{25212551200142} is an apocalyptic number.

25212551200142 is a deficient number, since it is larger than the sum of its proper divisors (12606391769434).

25212551200142 is a wasteful number, since it uses less digits than its factorization.

25212551200142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38723122.

The product of its (nonzero) digits is 16000, while the sum is 32.

Adding to 25212551200142 its reverse (24100215521252), we get a palindrome (49312766721394).

The spelling of 25212551200142 in words is "twenty-five trillion, two hundred twelve billion, five hundred fifty-one million, two hundred thousand, one hundred forty-two".