213102300000 has 144 divisors (see below), whose sum is σ = 699198154704. Its totient is φ = 56827200000.

The previous prime is 213102299999. The next prime is 213102300001. The reversal of 213102300000 is 3201312.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (213102299999) and next prime (213102300001).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213102300001) 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, 55171 + ... + 655170.

It is an arithmetic number, because the mean of its divisors is an integer number (4855542741).

Almost surely, 2^213102300000 is an apocalyptic number.

213102300000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213102300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349599077352).

213102300000 is an abundant number, since it is smaller than the sum of its proper divisors (486095854704).

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

213102300000 is an frugal number, since it uses more digits than its factorization.

213102300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710379 (or 710351 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 213102300000 its reverse (3201312), we get a palindrome (213105501312).

The spelling of 213102300000 in words is "two hundred thirteen billion, one hundred two million, three hundred thousand".