125252222252522 has 8 divisors (see below), whose sum is σ = 187884806894976. Its totient is φ = 62623953287532.

The previous prime is 125252222252491. The next prime is 125252222252533. The reversal of 125252222252522 is 225252222252521.

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

It is a self number, because there is not a number n which added to its sum of digits gives 125252222252522.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1078846808 + ... + 1078962899.

It is an arithmetic number, because the mean of its divisors is an integer number (23485600861872).

Almost surely, 2^{125252222252522} is an apocalyptic number.

125252222252522 is a deficient number, since it is larger than the sum of its proper divisors (62632584642454).

125252222252522 is a wasteful number, since it uses less digits than its factorization.

125252222252522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157838732.

The product of its digits is 640000, while the sum is 41.

Subtracting 125252222252522 from its reverse (225252222252521), we obtain a palindrome (99999999999999).

The spelling of 125252222252522 in words is "one hundred twenty-five trillion, two hundred fifty-two billion, two hundred twenty-two million, two hundred fifty-two thousand, five hundred twenty-two".