12312020030 has 8 divisors (see below), whose sum is σ = 22161636072. Its totient is φ = 4924808008.

The previous prime is 12312020029. The next prime is 12312020051. The reversal of 12312020030 is 3002021321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12312019987 and 12312020014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615600992 + ... + 615601011.

It is an arithmetic number, because the mean of its divisors is an integer number (2770204509).

Almost surely, 2^12312020030 is an apocalyptic number.

12312020030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12312020030 is a deficient number, since it is larger than the sum of its proper divisors (9849616042).

12312020030 is a wasteful number, since it uses less digits than its factorization.

12312020030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231202010.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 12312020030 its reverse (3002021321), we get a palindrome (15314041351).

The spelling of 12312020030 in words is "twelve billion, three hundred twelve million, twenty thousand, thirty".