86544258012212 has 144 divisors (see below), whose sum is σ = 206999030972160. Its totient is φ = 31121942342400.

The previous prime is 86544258012187. The next prime is 86544258012263. The reversal of 86544258012212 is 21221085244568.

It is a super-2 number, since 2×86544258012212² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 316888214 + ... + 317161202.

It is an arithmetic number, because the mean of its divisors is an integer number (1437493270640).

Almost surely, 2^{86544258012212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86544258012212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103499515486080).

86544258012212 is an abundant number, since it is smaller than the sum of its proper divisors (120454772959948).

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

86544258012212 is a wasteful number, since it uses less digits than its factorization.

86544258012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284342 (or 284333 counting only the distinct ones).

The product of its (nonzero) digits is 2457600, while the sum is 50.

The spelling of 86544258012212 in words is "eighty-six trillion, five hundred forty-four billion, two hundred fifty-eight million, twelve thousand, two hundred twelve".