125451222212 has 24 divisors (see below), whose sum is σ = 225634908576. Its totient is φ = 60996958848.

The previous prime is 125451222163. The next prime is 125451222217. The reversal of 125451222212 is 212222154521.

It is not an unprimeable number, because it can be changed into a prime (125451222217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1567493 + ... + 1645580.

It is an arithmetic number, because the mean of its divisors is an integer number (9401454524).

Almost surely, 2^125451222212 is an apocalyptic number.

It is an amenable number.

125451222212 is a deficient number, since it is larger than the sum of its proper divisors (100183686364).

125451222212 is a wasteful number, since it uses less digits than its factorization.

125451222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213347 (or 3213345 counting only the distinct ones).

The product of its digits is 6400, while the sum is 29.

Adding to 125451222212 its reverse (212222154521), we get a palindrome (337673376733).

The spelling of 125451222212 in words is "one hundred twenty-five billion, four hundred fifty-one million, two hundred twenty-two thousand, two hundred twelve".