1516541212212 has 96 divisors (see below), whose sum is σ = 4068959397888. Its totient is φ = 435959846784.

The previous prime is 1516541212181. The next prime is 1516541212213. The reversal of 1516541212212 is 2122121456151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1516541212213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4760488 + ... + 5069055.

It is an arithmetic number, because the mean of its divisors is an integer number (42384993728).

Almost surely, 2^{1516541212212} is an apocalyptic number.

1516541212212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1516541212212 is an abundant number, since it is smaller than the sum of its proper divisors (2552418185676).

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

1516541212212 is a wasteful number, since it uses less digits than its factorization.

1516541212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9829629 (or 9829627 counting only the distinct ones).

The product of its digits is 9600, while the sum is 33.

Adding to 1516541212212 its reverse (2122121456151), we get a palindrome (3638662668363).

The spelling of 1516541212212 in words is "one trillion, five hundred sixteen billion, five hundred forty-one million, two hundred twelve thousand, two hundred twelve".