213210223021300 has 36 divisors (see below), whose sum is σ = 462671961886540. Its totient is φ = 85283024152320.

The previous prime is 213210223021273. The next prime is 213210223021307. The reversal of 213210223021300 is 3120322012312.

It can be written as a sum of positive squares in 6 ways, for example, as 76414836267364 + 136795386753936 = 8741558^2 + 11695956^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213210223021307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5241345 + ... + 21304744.

Almost surely, 2^{213210223021300} is an apocalyptic number.

213210223021300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213210223021300 is an abundant number, since it is smaller than the sum of its proper divisors (249461738865240).

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

213210223021300 is a wasteful number, since it uses less digits than its factorization.

213210223021300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26626420 (or 26626413 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 213210223021300 its reverse (3120322012312), we get a palindrome (216330545033612).

The spelling of 213210223021300 in words is "two hundred thirteen trillion, two hundred ten billion, two hundred twenty-three million, twenty-one thousand, three hundred".