213800156112 has 80 divisors (see below), whose sum is σ = 562747146560. Its totient is φ = 69926630400.

The previous prime is 213800156093. The next prime is 213800156123. The reversal of 213800156112 is 211651008312.

It is a self number, because there is not a number n which added to its sum of digits gives 213800156112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1108287 + ... + 1286817.

It is an arithmetic number, because the mean of its divisors is an integer number (7034339332).

Almost surely, 2^213800156112 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 213800156112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281373573280).

213800156112 is an abundant number, since it is smaller than the sum of its proper divisors (348946990448).

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

213800156112 is a wasteful number, since it uses less digits than its factorization.

213800156112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179012 (or 179006 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The spelling of 213800156112 in words is "two hundred thirteen billion, eight hundred million, one hundred fifty-six thousand, one hundred twelve".