312216305026230 has 48 divisors (see below), whose sum is σ = 885558974259024. Its totient is φ = 75688801218240.

The previous prime is 312216305026211. The next prime is 312216305026237. The reversal of 312216305026230 is 32620503612213.

312216305026230 is a `hidden beast` number, since 3 + 1 + 2 + 2 + 1 + 63 + 0 + 502 + 62 + 30 = 666.

It is a super-2 number, since 2×312216305026230² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312216305026237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157685001549 + ... + 157685003528.

It is an arithmetic number, because the mean of its divisors is an integer number (18449145297063).

Almost surely, 2^{312216305026230} is an apocalyptic number.

312216305026230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

312216305026230 is an abundant number, since it is smaller than the sum of its proper divisors (573342669232794).

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

312216305026230 is a wasteful number, since it uses less digits than its factorization.

312216305026230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315370005101 (or 315370005098 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

Adding to 312216305026230 its reverse (32620503612213), we get a palindrome (344836808638443).

The spelling of 312216305026230 in words is "three hundred twelve trillion, two hundred sixteen billion, three hundred five million, twenty-six thousand, two hundred thirty".