12212042032144 has 40 divisors (see below), whose sum is σ = 23821625318400. Its totient is φ = 6064539744000.

The previous prime is 12212042032133. The next prime is 12212042032217. The reversal of 12212042032144 is 44123024021221.

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, 13699089 + ... + 14563279.

It is an arithmetic number, because the mean of its divisors is an integer number (595540632960).

Almost surely, 2^{12212042032144} is an apocalyptic number.

It is an amenable number.

12212042032144 is a deficient number, since it is larger than the sum of its proper divisors (11609583286256).

12212042032144 is a wasteful number, since it uses less digits than its factorization.

12212042032144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870199 (or 870193 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 12212042032144 its reverse (44123024021221), we get a palindrome (56335066053365).

The spelling of 12212042032144 in words is "twelve trillion, two hundred twelve billion, forty-two million, thirty-two thousand, one hundred forty-four".