12012521441502 has 16 divisors (see below), whose sum is σ = 24314501232000. Its totient is φ = 3955930755672.

The previous prime is 12012521441467. The next prime is 12012521441567. The reversal of 12012521441502 is 20514412521021.

12012521441502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12012521441502.

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, 12060764002 + ... + 12060764997.

It is an arithmetic number, because the mean of its divisors is an integer number (1519656327000).

Almost surely, 2^{12012521441502} is an apocalyptic number.

12012521441502 is an abundant number, since it is smaller than the sum of its proper divisors (12301979790498).

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

12012521441502 is a wasteful number, since it uses less digits than its factorization.

12012521441502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24121529087.

The product of its (nonzero) digits is 6400, while the sum is 30.

Adding to 12012521441502 its reverse (20514412521021), we get a palindrome (32526933962523).

The spelling of 12012521441502 in words is "twelve trillion, twelve billion, five hundred twenty-one million, four hundred forty-one thousand, five hundred two".