213066733312 has 36 divisors (see below), whose sum is σ = 427080800160. Its totient is φ = 106087589888.

The previous prime is 213066733273. The next prime is 213066733331. The reversal of 213066733312 is 213337660312.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1680013 + ... + 1802380.

It is an arithmetic number, because the mean of its divisors is an integer number (11863355560).

Almost surely, 2^213066733312 is an apocalyptic number.

It is an amenable number.

213066733312 is an abundant number, since it is smaller than the sum of its proper divisors (214014066848).

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

213066733312 is an equidigital number, since it uses as much as digits as its factorization.

213066733312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3482648 (or 3482634 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 37.

The spelling of 213066733312 in words is "two hundred thirteen billion, sixty-six million, seven hundred thirty-three thousand, three hundred twelve".