11820112612 has 36 divisors (see below), whose sum is σ = 26249865264. Its totient is φ = 4605237840.

The previous prime is 11820112583. The next prime is 11820112621. The reversal of 11820112612 is 21621102811.

It is a super-2 number, since 2×11820112612² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2739058 + ... + 2743369.

It is an arithmetic number, because the mean of its divisors is an integer number (729162924).

Almost surely, 2^11820112612 is an apocalyptic number.

It is an amenable number.

11820112612 is an abundant number, since it is smaller than the sum of its proper divisors (14429752652).

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

11820112612 is a wasteful number, since it uses less digits than its factorization.

11820112612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5482456 (or 5482447 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 25.

The spelling of 11820112612 in words is "eleven billion, eight hundred twenty million, one hundred twelve thousand, six hundred twelve".