125212230 has 320 divisors, whose sum is σ = 421521408. Its totient is φ = 26231040.

The previous prime is 125212229. The next prime is 125212267. The reversal of 125212230 is 32212521.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 2664067 + ... + 2664113.

Almost surely, 2^125212230 is an apocalyptic number.

125212230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 125212230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210760704).

125212230 is an abundant number, since it is smaller than the sum of its proper divisors (296309178).

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

125212230 is a wasteful number, since it uses less digits than its factorization.

125212230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 104 counting only the distinct ones).

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

The square root of 125212230 is about 11189.8270764119. The cubic root of 125212230 is about 500.2828133364.

Adding to 125212230 its reverse (32212521), we get a palindrome (157424751).

The spelling of 125212230 in words is "one hundred twenty-five million, two hundred twelve thousand, two hundred thirty".