225212123276 has 24 divisors (see below), whose sum is σ = 450648339456. Its totient is φ = 96471461520.

The previous prime is 225212123273. The next prime is 225212123359. The reversal of 225212123276 is 672321212522.

It is not an unprimeable number, because it can be changed into a prime (225212123273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1943516 + ... + 2056131.

It is an arithmetic number, because the mean of its divisors is an integer number (18777014144).

Almost surely, 2^225212123276 is an apocalyptic number.

It is an amenable number.

225212123276 is an abundant number, since it is smaller than the sum of its proper divisors (225436216180).

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

225212123276 is a wasteful number, since it uses less digits than its factorization.

225212123276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4001669 (or 4001667 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

Adding to 225212123276 its reverse (672321212522), we get a palindrome (897533335798).

The spelling of 225212123276 in words is "two hundred twenty-five billion, two hundred twelve million, one hundred twenty-three thousand, two hundred seventy-six".