12040312030 has 8 divisors (see below), whose sum is σ = 21672561672. Its totient is φ = 4816124808.

The previous prime is 12040312007. The next prime is 12040312057. The reversal of 12040312030 is 3021304021.

It is a happy number.

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

It is a super-2 number, since 2×12040312030² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12040311995 and 12040312013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 602015592 + ... + 602015611.

It is an arithmetic number, because the mean of its divisors is an integer number (2709070209).

Almost surely, 2^12040312030 is an apocalyptic number.

12040312030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12040312030 is a deficient number, since it is larger than the sum of its proper divisors (9632249642).

12040312030 is a wasteful number, since it uses less digits than its factorization.

12040312030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204031210.

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

Adding to 12040312030 its reverse (3021304021), we get a palindrome (15061616051).

The spelling of 12040312030 in words is "twelve billion, forty million, three hundred twelve thousand, thirty".