12541461216 has 48 divisors (see below), whose sum is σ = 32930561664. Its totient is φ = 4179315584.

The previous prime is 12541461209. The next prime is 12541461293. The reversal of 12541461216 is 61216414521.

It is a tau number, because it is divible by the number of its divisors (48).

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, 368371 + ... + 400973.

It is an arithmetic number, because the mean of its divisors is an integer number (686053368).

Almost surely, 2^12541461216 is an apocalyptic number.

12541461216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12541461216 is an abundant number, since it is smaller than the sum of its proper divisors (20389100448).

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

12541461216 is a wasteful number, since it uses less digits than its factorization.

12541461216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36623 (or 36615 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

Adding to 12541461216 its reverse (61216414521), we get a palindrome (73757875737).

The spelling of 12541461216 in words is "twelve billion, five hundred forty-one million, four hundred sixty-one thousand, two hundred sixteen".