1220334210200 has 144 divisors (see below), whose sum is σ = 3301957489320. Its totient is φ = 418216296960.

The previous prime is 1220334210127. The next prime is 1220334210229. The reversal of 1220334210200 is 20124330221.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 23268407 + ... + 23320793.

Almost surely, 2^{1220334210200} is an apocalyptic number.

1220334210200 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 1220334210200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1650978744660).

1220334210200 is an abundant number, since it is smaller than the sum of its proper divisors (2081623279120).

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

1220334210200 is a wasteful number, since it uses less digits than its factorization.

1220334210200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54794 (or 54778 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1220334210200 its reverse (20124330221), we get a palindrome (1240458540421).

The spelling of 1220334210200 in words is "one trillion, two hundred twenty billion, three hundred thirty-four million, two hundred ten thousand, two hundred".