12161415442 has 8 divisors (see below), whose sum is σ = 19900498032. Its totient is φ = 5527916100.

The previous prime is 12161415403. The next prime is 12161415527. The reversal of 12161415442 is 24451416121.

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

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, 276395784 + ... + 276395827.

It is an arithmetic number, because the mean of its divisors is an integer number (2487562254).

Almost surely, 2^12161415442 is an apocalyptic number.

12161415442 is a deficient number, since it is larger than the sum of its proper divisors (7739082590).

12161415442 is a wasteful number, since it uses less digits than its factorization.

12161415442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552791624.

The product of its digits is 7680, while the sum is 31.

The spelling of 12161415442 in words is "twelve billion, one hundred sixty-one million, four hundred fifteen thousand, four hundred forty-two".