125422212 has 12 divisors (see below), whose sum is σ = 292651856. Its totient is φ = 41807400.

The previous prime is 125422207. The next prime is 125422223. The reversal of 125422212 is 212224521.

It is a tau number, because it is divible by the number of its divisors (12).

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, 5225914 + ... + 5225937.

Almost surely, 2^125422212 is an apocalyptic number.

125422212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125422212 is an abundant number, since it is smaller than the sum of its proper divisors (167229644).

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

125422212 is a wasteful number, since it uses less digits than its factorization.

125422212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10451858 (or 10451856 counting only the distinct ones).

The product of its digits is 640, while the sum is 21.

The square root of 125422212 is about 11199.2058647031. The cubic root of 125422212 is about 500.5623166961.

Adding to 125422212 its reverse (212224521), we get a palindrome (337646733).

The spelling of 125422212 in words is "one hundred twenty-five million, four hundred twenty-two thousand, two hundred twelve".