12123202030 has 32 divisors (see below), whose sum is σ = 21936096000. Its totient is φ = 4823914752.

The previous prime is 12123202019. The next prime is 12123202031. The reversal of 12123202030 is 3020232121.

It is a super-2 number, since 2×12123202030² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12123201995 and 12123202013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12123202031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3607491 + ... + 3610849.

It is an arithmetic number, because the mean of its divisors is an integer number (685503000).

Almost surely, 2^12123202030 is an apocalyptic number.

12123202030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12123202030 is a deficient number, since it is larger than the sum of its proper divisors (9812893970).

12123202030 is a wasteful number, since it uses less digits than its factorization.

12123202030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5148.

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

Adding to 12123202030 its reverse (3020232121), we get a palindrome (15143434151).

The spelling of 12123202030 in words is "twelve billion, one hundred twenty-three million, two hundred two thousand, thirty".