245125313212 has 48 divisors (see below), whose sum is σ = 472121137152. Its totient is φ = 110651336640.

The previous prime is 245125313189. The next prime is 245125313233. The reversal of 245125313212 is 212313521542.

It is a happy number.

It is a super-2 number, since 2×245125313212² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3590637 + ... + 3658267.

It is an arithmetic number, because the mean of its divisors is an integer number (9835857024).

Almost surely, 2^245125313212 is an apocalyptic number.

It is an amenable number.

245125313212 is a deficient number, since it is larger than the sum of its proper divisors (226995823940).

245125313212 is a wasteful number, since it uses less digits than its factorization.

245125313212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69178 (or 69176 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

Adding to 245125313212 its reverse (212313521542), we get a palindrome (457438834754).

The spelling of 245125313212 in words is "two hundred forty-five billion, one hundred twenty-five million, three hundred thirteen thousand, two hundred twelve".