1230100018 has 48 divisors (see below), whose sum is σ = 2230934400. Its totient is φ = 506597280.

The previous prime is 1230099979. The next prime is 1230100021. The reversal of 1230100018 is 8100010321.

It is a junction number, because it is equal to n+sod(n) for n = 1230099974 and 1230100010.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 678333 + ... + 680143.

It is an arithmetic number, because the mean of its divisors is an integer number (46477800).

Almost surely, 2^1230100018 is an apocalyptic number.

1230100018 is a deficient number, since it is larger than the sum of its proper divisors (1000834382).

1230100018 is a wasteful number, since it uses less digits than its factorization.

1230100018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095 (or 2088 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1230100018 is about 35072.7817260051. The cubic root of 1230100018 is about 1071.4703104789.

Adding to 1230100018 its reverse (8100010321), we get a palindrome (9330110339).

The spelling of 1230100018 in words is "one billion, two hundred thirty million, one hundred thousand, eighteen".