213194525712 has 160 divisors (see below), whose sum is σ = 644318880000. Its totient is φ = 60719081472.

The previous prime is 213194525651. The next prime is 213194525717. The reversal of 213194525712 is 217525491312.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (213194525717) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5198664 + ... + 5239512.

It is an arithmetic number, because the mean of its divisors is an integer number (4026993000).

Almost surely, 2^213194525712 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 213194525712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322159440000).

213194525712 is an abundant number, since it is smaller than the sum of its proper divisors (431124354288).

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

213194525712 is a wasteful number, since it uses less digits than its factorization.

213194525712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41198 (or 41178 counting only the distinct ones).

The product of its digits is 151200, while the sum is 42.

The spelling of 213194525712 in words is "two hundred thirteen billion, one hundred ninety-four million, five hundred twenty-five thousand, seven hundred twelve".