12030155246 has 8 divisors (see below), whose sum is σ = 18139711104. Its totient is φ = 5983584880.

The previous prime is 12030155227. The next prime is 12030155251. The reversal of 12030155246 is 64255103021.

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

It is a super-2 number, since 2×12030155246² (a number of 21 digits) contains 22 as substring.

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, 15745895 + ... + 15746658.

It is an arithmetic number, because the mean of its divisors is an integer number (2267463888).

Almost surely, 2^12030155246 is an apocalyptic number.

12030155246 is a deficient number, since it is larger than the sum of its proper divisors (6109555858).

12030155246 is a wasteful number, since it uses less digits than its factorization.

12030155246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31492746.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 12030155246 its reverse (64255103021), we get a palindrome (76285258267).

The spelling of 12030155246 in words is "twelve billion, thirty million, one hundred fifty-five thousand, two hundred forty-six".