230212510011656 has 32 divisors (see below), whose sum is σ = 446004775687680. Its totient is φ = 111285106089600.

The previous prime is 230212510011643. The next prime is 230212510011683. The reversal of 230212510011656 is 656110015212032.

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, 449926781 + ... + 450438156.

It is an arithmetic number, because the mean of its divisors is an integer number (13937649240240).

Almost surely, 2^{230212510011656} is an apocalyptic number.

It is an amenable number.

230212510011656 is a deficient number, since it is larger than the sum of its proper divisors (215792265676024).

230212510011656 is a wasteful number, since it uses less digits than its factorization.

230212510011656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900366005 (or 900366001 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

Adding to 230212510011656 its reverse (656110015212032), we get a palindrome (886322525223688).

The spelling of 230212510011656 in words is "two hundred thirty trillion, two hundred twelve billion, five hundred ten million, eleven thousand, six hundred fifty-six".