102030322212018 has 24 divisors (see below), whose sum is σ = 221072493681468. Its totient is φ = 34009061933952.

The previous prime is 102030322212017. The next prime is 102030322212053. The reversal of 102030322212018 is 810212223030201.

102030322212018 is a `hidden beast` number, since 1 + 0 + 2 + 0 + 303 + 222 + 120 + 18 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 81990616387689 + 20039705824329 = 9054867^2 + 4476573^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102030322211982 and 102030322212000.

It is not an unprimeable number, because it can be changed into a prime (102030322212017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86520571 + ... + 87691902.

Almost surely, 2^{102030322212018} is an apocalyptic number.

102030322212018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

102030322212018 is an abundant number, since it is smaller than the sum of its proper divisors (119042171469450).

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

102030322212018 is a wasteful number, since it uses less digits than its factorization.

102030322212018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174245018 (or 174245015 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 102030322212018 its reverse (810212223030201), we get a palindrome (912242545242219).

The spelling of 102030322212018 in words is "one hundred two trillion, thirty billion, three hundred twenty-two million, two hundred twelve thousand, eighteen".