12010101216 has 48 divisors (see below), whose sum is σ = 31548787200. Its totient is φ = 4000539008.

The previous prime is 12010101211. The next prime is 12010101217. The reversal of 12010101216 is 61210101021.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 12010101195 and 12010101204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010101211) 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 7 ways as a sum of consecutive naturals, for example, 94675 + ... + 181613.

It is an arithmetic number, because the mean of its divisors is an integer number (657266400).

Almost surely, 2^12010101216 is an apocalyptic number.

12010101216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12010101216 is an abundant number, since it is smaller than the sum of its proper divisors (19538685984).

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

12010101216 is a wasteful number, since it uses less digits than its factorization.

12010101216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88391 (or 88383 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 12010101216 its reverse (61210101021), we get a palindrome (73220202237).

The spelling of 12010101216 in words is "twelve billion, ten million, one hundred one thousand, two hundred sixteen".