1210320213300 has 432 divisors, whose sum is σ = 4232321114112. Its totient is φ = 286780780800.

The previous prime is 1210320213259. The next prime is 1210320213307. The reversal of 1210320213300 is 33120230121.

1210320213300 is a `hidden beast` number, since 1 + 2 + 10 + 320 + 2 + 1 + 330 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210320213307) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 494612677 + ... + 494615123.

It is an arithmetic number, because the mean of its divisors is an integer number (9797039616).

Almost surely, 2^{1210320213300} is an apocalyptic number.

1210320213300 is a gapful number since it is divisible by the number (10) 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 1210320213300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2116160557056).

1210320213300 is an abundant number, since it is smaller than the sum of its proper divisors (3022000900812).

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

1210320213300 is a wasteful number, since it uses less digits than its factorization.

1210320213300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3588 (or 3578 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1210320213300 its reverse (33120230121), we get a palindrome (1243440443421).

The spelling of 1210320213300 in words is "one trillion, two hundred ten billion, three hundred twenty million, two hundred thirteen thousand, three hundred".