1210223203100 has 72 divisors (see below), whose sum is σ = 2691254686176. Its totient is φ = 472103680000.

The previous prime is 1210223203097. The next prime is 1210223203153. The reversal of 1210223203100 is 13023220121.

It is a super-2 number, since 2×1210223203100² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11060660 + ... + 11169540.

It is an arithmetic number, because the mean of its divisors is an integer number (37378537308).

Almost surely, 2^{1210223203100} is an apocalyptic number.

1210223203100 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 1210223203100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1345627343088).

1210223203100 is an abundant number, since it is smaller than the sum of its proper divisors (1481031483076).

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

1210223203100 is a wasteful number, since it uses less digits than its factorization.

1210223203100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111647 (or 111640 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1210223203100 its reverse (13023220121), we get a palindrome (1223246423221).

The spelling of 1210223203100 in words is "one trillion, two hundred ten billion, two hundred twenty-three million, two hundred three thousand, one hundred".