12000400243330 has 16 divisors (see below), whose sum is σ = 21603609528120. Its totient is φ = 4799518077312.

The previous prime is 12000400243309. The next prime is 12000400243357. The reversal of 12000400243330 is 3334200400021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11694970483681 + 305429759649 = 3419791^2 + 552657^2 .

It is a super-2 number, since 2×12000400243330² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80173995 + ... + 80323534.

Almost surely, 2^{12000400243330} is an apocalyptic number.

12000400243330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12000400243330 is a deficient number, since it is larger than the sum of its proper divisors (9603209284790).

12000400243330 is a wasteful number, since it uses less digits than its factorization.

12000400243330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160505013.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 12000400243330 its reverse (3334200400021), we get a palindrome (15334600643351).

The spelling of 12000400243330 in words is "twelve trillion, four hundred million, two hundred forty-three thousand, three hundred thirty".