18818314012 has 24 divisors (see below), whose sum is σ = 33272748432. Its totient is φ = 9312201600.

The previous prime is 18818314003. The next prime is 18818314013. The reversal of 18818314012 is 21041381881.

It is a super-2 number, since 2×18818314012² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18818314013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147312 + ... + 243592.

It is an arithmetic number, because the mean of its divisors is an integer number (1386364518).

Almost surely, 2^18818314012 is an apocalyptic number.

It is an amenable number.

18818314012 is a deficient number, since it is larger than the sum of its proper divisors (14454434420).

18818314012 is a wasteful number, since it uses less digits than its factorization.

18818314012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96789 (or 96787 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 37.

Adding to 18818314012 its reverse (21041381881), we get a palindrome (39859695893).

The spelling of 18818314012 in words is "eighteen billion, eight hundred eighteen million, three hundred fourteen thousand, twelve".