125223012 has 36 divisors (see below), whose sum is σ = 326749696. Its totient is φ = 40394160.

The previous prime is 125223011. The next prime is 125223019. The reversal of 125223012 is 210322521.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (125223011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54988 + ... + 57219.

Almost surely, 2^125223012 is an apocalyptic number.

125223012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125223012 is an abundant number, since it is smaller than the sum of its proper divisors (201526684).

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

125223012 is a wasteful number, since it uses less digits than its factorization.

125223012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112248 (or 112243 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 125223012 is about 11190.3088429230. The cubic root of 125223012 is about 500.2971726751.

Adding to 125223012 its reverse (210322521), we get a palindrome (335545533).

The spelling of 125223012 in words is "one hundred twenty-five million, two hundred twenty-three thousand, twelve".