12400042030 has 16 divisors (see below), whose sum is σ = 22332584160. Its totient is φ = 4957237152.

The previous prime is 12400041931. The next prime is 12400042069. The reversal of 12400042030 is 3024000421.

It is a super-2 number, since 2×12400042030² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12400041995 and 12400042013.

It is a congruent number.

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, 328674 + ... + 364453.

It is an arithmetic number, because the mean of its divisors is an integer number (1395786510).

Almost surely, 2^12400042030 is an apocalyptic number.

12400042030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12400042030 is a deficient number, since it is larger than the sum of its proper divisors (9932542130).

12400042030 is a wasteful number, since it uses less digits than its factorization.

12400042030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694923.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 12400042030 its reverse (3024000421), we get a palindrome (15424042451).

The spelling of 12400042030 in words is "twelve billion, four hundred million, forty-two thousand, thirty".