102012030340 has 24 divisors (see below), whose sum is σ = 233700288192. Its totient is φ = 37095283680.

The previous prime is 102012030301. The next prime is 102012030343. The reversal of 102012030340 is 43030210201.

It is a happy number.

It is a super-3 number, since 3×102012030340³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (102012030343) 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, 231845304 + ... + 231845743.

It is an arithmetic number, because the mean of its divisors is an integer number (9737512008).

Almost surely, 2^102012030340 is an apocalyptic number.

102012030340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102012030340 is an abundant number, since it is smaller than the sum of its proper divisors (131688257852).

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

102012030340 is a wasteful number, since it uses less digits than its factorization.

102012030340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463691067 (or 463691065 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 102012030340 its reverse (43030210201), we get a palindrome (145042240541).

The spelling of 102012030340 in words is "one hundred two billion, twelve million, thirty thousand, three hundred forty".