12120002030 has 16 divisors (see below), whose sum is σ = 22764525984. Its totient is φ = 4637218080.

The previous prime is 12120002023. The next prime is 12120002039. The reversal of 12120002030 is 3020002121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120002039) 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, 26347601 + ... + 26348060.

It is an arithmetic number, because the mean of its divisors is an integer number (1422782874).

Almost surely, 2^12120002030 is an apocalyptic number.

12120002030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120002030 is a deficient number, since it is larger than the sum of its proper divisors (10644523954).

12120002030 is a wasteful number, since it uses less digits than its factorization.

12120002030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52695691.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 12120002030 its reverse (3020002121), we get a palindrome (15140004151).

Subtracting from 12120002030 its reverse (3020002121), we obtain a palindrome (9099999909).

The spelling of 12120002030 in words is "twelve billion, one hundred twenty million, two thousand, thirty".