213120112194 has 48 divisors (see below), whose sum is σ = 521108752320. Its totient is φ = 62354890080.

The previous prime is 213120112193. The next prime is 213120112207. The reversal of 213120112194 is 491211021312.

It is not an unprimeable number, because it can be changed into a prime (213120112193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18552262 + ... + 18563745.

It is an arithmetic number, because the mean of its divisors is an integer number (10856432340).

Almost surely, 2^213120112194 is an apocalyptic number.

213120112194 is an abundant number, since it is smaller than the sum of its proper divisors (307988640126).

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

213120112194 is a wasteful number, since it uses less digits than its factorization.

213120112194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37116055 (or 37116052 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The spelling of 213120112194 in words is "two hundred thirteen billion, one hundred twenty million, one hundred twelve thousand, one hundred ninety-four".