125203212 has 48 divisors (see below), whose sum is σ = 326094720. Its totient is φ = 41542416.

The previous prime is 125203207. The next prime is 125203241. The reversal of 125203212 is 212302521.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21963 + ... + 27069.

It is an arithmetic number, because the mean of its divisors is an integer number (6793640).

Almost surely, 2^125203212 is an apocalyptic number.

125203212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125203212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163047360).

125203212 is an abundant number, since it is smaller than the sum of its proper divisors (200891508).

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

125203212 is a wasteful number, since it uses less digits than its factorization.

125203212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5347 (or 5339 counting only the distinct ones).

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

The square root of 125203212 is about 11189.4241138675. The cubic root of 125203212 is about 500.2708026387.

Adding to 125203212 its reverse (212302521), we get a palindrome (337505733).

The spelling of 125203212 in words is "one hundred twenty-five million, two hundred three thousand, two hundred twelve".