245312525212 has 24 divisors (see below), whose sum is σ = 434171631600. Its totient is φ = 121263812736.

The previous prime is 245312525209. The next prime is 245312525251. The reversal of 245312525212 is 212525213542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3392143 + ... + 3463705.

It is an arithmetic number, because the mean of its divisors is an integer number (18090484650).

Almost surely, 2^245312525212 is an apocalyptic number.

It is an amenable number.

245312525212 is a deficient number, since it is larger than the sum of its proper divisors (188859106388).

245312525212 is a wasteful number, since it uses less digits than its factorization.

245312525212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81285 (or 81283 counting only the distinct ones).

The product of its digits is 48000, while the sum is 34.

Adding to 245312525212 its reverse (212525213542), we get a palindrome (457837738754).

The spelling of 245312525212 in words is "two hundred forty-five billion, three hundred twelve million, five hundred twenty-five thousand, two hundred twelve".