25235212242000 has 80 divisors (see below), whose sum is σ = 81358324287552. Its totient is φ = 6729389929600.

The previous prime is 25235212241983. The next prime is 25235212242113. The reversal of 25235212242000 is 24221253252.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

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 15 ways as a sum of consecutive naturals, for example, 2102928354 + ... + 2102940353.

Almost surely, 2^{25235212242000} is an apocalyptic number.

25235212242000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25235212242000 is an abundant number, since it is smaller than the sum of its proper divisors (56123112045552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25235212242000 is a wasteful number, since it uses less digits than its factorization.

25235212242000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4205868733 (or 4205868717 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 25235212242000 its reverse (24221253252), we get a palindrome (25259433495252).

The spelling of 25235212242000 in words is "twenty-five trillion, two hundred thirty-five billion, two hundred twelve million, two hundred forty-two thousand".