12402215043466 has 16 divisors (see below), whose sum is σ = 19083429243648. Its totient is φ = 6041791224000.

The previous prime is 12402215043433. The next prime is 12402215043479. The reversal of 12402215043466 is 66434051220421.

It is a super-3 number, since 3×12402215043466³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179780730 + ... + 179849701.

It is an arithmetic number, because the mean of its divisors is an integer number (1192714327728).

Almost surely, 2^{12402215043466} is an apocalyptic number.

12402215043466 is a deficient number, since it is larger than the sum of its proper divisors (6681214200182).

12402215043466 is a wasteful number, since it uses less digits than its factorization.

12402215043466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359630877.

The product of its (nonzero) digits is 276480, while the sum is 40.

Adding to 12402215043466 its reverse (66434051220421), we get a palindrome (78836266263887).

The spelling of 12402215043466 in words is "twelve trillion, four hundred two billion, two hundred fifteen million, forty-three thousand, four hundred sixty-six".