125244312222 has 16 divisors (see below), whose sum is σ = 250493823360. Its totient is φ = 41747237592.

The previous prime is 125244312191. The next prime is 125244312241. The reversal of 125244312222 is 222213442521.

It is a super-2 number, since 2×125244312222² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 125244312222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142303 + ... + 520325.

It is an arithmetic number, because the mean of its divisors is an integer number (15655863960).

Almost surely, 2^125244312222 is an apocalyptic number.

125244312222 is an abundant number, since it is smaller than the sum of its proper divisors (125249511138).

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

125244312222 is a wasteful number, since it uses less digits than its factorization.

125244312222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433247.

The product of its digits is 15360, while the sum is 30.

Adding to 125244312222 its reverse (222213442521), we get a palindrome (347457754743).

The spelling of 125244312222 in words is "one hundred twenty-five billion, two hundred forty-four million, three hundred twelve thousand, two hundred twenty-two".