12012053487472 has 160 divisors (see below), whose sum is σ = 26224835788800. Its totient is φ = 5304032907264.

The previous prime is 12012053487433. The next prime is 12012053487479. The reversal of 12012053487472 is 27478435021021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012053487479) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34011729 + ... + 34363087.

It is an arithmetic number, because the mean of its divisors is an integer number (163905223680).

Almost surely, 2^{12012053487472} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12012053487472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13112417894400).

12012053487472 is an abundant number, since it is smaller than the sum of its proper divisors (14212782301328).

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

12012053487472 is a wasteful number, since it uses less digits than its factorization.

12012053487472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351543 (or 351537 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 46.

The spelling of 12012053487472 in words is "twelve trillion, twelve billion, fifty-three million, four hundred eighty-seven thousand, four hundred seventy-two".