12030540323554 has 16 divisors (see below), whose sum is σ = 19107417480408. Its totient is φ = 5661404449792.

The previous prime is 12030540323449. The next prime is 12030540323563. The reversal of 12030540323554 is 45532304503021.

It can be written as a sum of positive squares in 4 ways, for example, as 4929407931529 + 7101132392025 = 2220227^2 + 2664795^2 .

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 7 ways as a sum of consecutive naturals, for example, 7971534 + ... + 9359830.

Almost surely, 2^{12030540323554} is an apocalyptic number.

12030540323554 is a deficient number, since it is larger than the sum of its proper divisors (7076877156854).

12030540323554 is a wasteful number, since it uses less digits than its factorization.

12030540323554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643189.

The product of its (nonzero) digits is 216000, while the sum is 37.

Adding to 12030540323554 its reverse (45532304503021), we get a palindrome (57562844826575).

The spelling of 12030540323554 in words is "twelve trillion, thirty billion, five hundred forty million, three hundred twenty-three thousand, five hundred fifty-four".