213032230312 has 64 divisors (see below), whose sum is σ = 466456320000. Its totient is φ = 90181471680.

The previous prime is 213032230231. The next prime is 213032230319.

213032230312 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (213032230319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 981112 + ... + 1178407.

It is an arithmetic number, because the mean of its divisors is an integer number (7288380000).

Almost surely, 2^213032230312 is an apocalyptic number.

213032230312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213032230312 is an abundant number, since it is smaller than the sum of its proper divisors (253424089688).

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

213032230312 is a wasteful number, since it uses less digits than its factorization.

213032230312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159614 (or 2159610 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

It can be divided in two parts, 213032 and 230312, that added together give a palindrome (443344).

The spelling of 213032230312 in words is "two hundred thirteen billion, thirty-two million, two hundred thirty thousand, three hundred twelve".