116661061212 has 48 divisors (see below), whose sum is σ = 277003165824. Its totient is φ = 38208040000.

The previous prime is 116661061211. The next prime is 116661061259. The reversal of 116661061212 is 212160166611.

116661061212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×116661061212² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116661061211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208614 + ... + 526157.

It is an arithmetic number, because the mean of its divisors is an integer number (5770899288).

Almost surely, 2^116661061212 is an apocalyptic number.

116661061212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

116661061212 is an abundant number, since it is smaller than the sum of its proper divisors (160342104612).

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

116661061212 is a wasteful number, since it uses less digits than its factorization.

116661061212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735010 (or 735008 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The spelling of 116661061212 in words is "one hundred sixteen billion, six hundred sixty-one million, sixty-one thousand, two hundred twelve".