9212845245 has 32 divisors (see below), whose sum is σ = 15091507200. Its totient is φ = 4796656704.

The previous prime is 9212845237. The next prime is 9212845259. The reversal of 9212845245 is 5425482129.

It is not a de Polignac number, because 9212845245 - 2³ = 9212845237 is a prime.

It is a super-2 number, since 2×9212845245² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9212845197 and 9212845206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1983636 + ... + 1988274.

It is an arithmetic number, because the mean of its divisors is an integer number (471609600).

Almost surely, 2^9212845245 is an apocalyptic number.

It is an amenable number.

9212845245 is a deficient number, since it is larger than the sum of its proper divisors (5878661955).

9212845245 is a wasteful number, since it uses less digits than its factorization.

9212845245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7769.

The product of its digits is 230400, while the sum is 42.

The square root of 9212845245 is about 95983.5675779974. The cubic root of 9212845245 is about 2096.3538578270.

The spelling of 9212845245 in words is "nine billion, two hundred twelve million, eight hundred forty-five thousand, two hundred forty-five".