213236880612 has 96 divisors (see below), whose sum is σ = 591597404160. Its totient is φ = 58495167360.

The previous prime is 213236880553. The next prime is 213236880617. The reversal of 213236880612 is 216088632312.

213236880612 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 (213236880617) 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, 8314 + ... + 653102.

It is an arithmetic number, because the mean of its divisors is an integer number (6162472960).

Almost surely, 2^213236880612 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 213236880612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295798702080).

213236880612 is an abundant number, since it is smaller than the sum of its proper divisors (378360523548).

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

213236880612 is a wasteful number, since it uses less digits than its factorization.

213236880612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644961 (or 644959 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 213236880612 in words is "two hundred thirteen billion, two hundred thirty-six million, eight hundred eighty thousand, six hundred twelve".