212645310604 has 12 divisors (see below), whose sum is σ = 375422473944. Its totient is φ = 105381746624.

The previous prime is 212645310599. The next prime is 212645310629. The reversal of 212645310604 is 406013546212.

It is a self number, because there is not a number n which added to its sum of digits gives 212645310604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235226662 + ... + 235227565.

It is an arithmetic number, because the mean of its divisors is an integer number (31285206162).

Almost surely, 2^212645310604 is an apocalyptic number.

It is an amenable number.

212645310604 is a deficient number, since it is larger than the sum of its proper divisors (162777163340).

212645310604 is a wasteful number, since it uses less digits than its factorization.

212645310604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470454344 (or 470454342 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 212645310604 its reverse (406013546212), we get a palindrome (618658856816).

The spelling of 212645310604 in words is "two hundred twelve billion, six hundred forty-five million, three hundred ten thousand, six hundred four".