12052421022144 has 56 divisors (see below), whose sum is σ = 31899630788368. Its totient is φ = 4016096225280.

The previous prime is 12052421022133. The next prime is 12052421022197. The reversal of 12052421022144 is 44122012425021.

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, 10199797 + ... + 11319924.

It is an arithmetic number, because the mean of its divisors is an integer number (569636264078).

Almost surely, 2^{12052421022144} is an apocalyptic number.

It is an amenable number.

12052421022144 is an abundant number, since it is smaller than the sum of its proper divisors (19847209766224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12052421022144 is a wasteful number, since it uses less digits than its factorization.

12052421022144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21522653 (or 21522643 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

Adding to 12052421022144 its reverse (44122012425021), we get a palindrome (56174433447165).

The spelling of 12052421022144 in words is "twelve trillion, fifty-two billion, four hundred twenty-one million, twenty-two thousand, one hundred forty-four".