1220010312200 has 48 divisors (see below), whose sum is σ = 2838274590660. Its totient is φ = 487702944000.

The previous prime is 1220010312193. The next prime is 1220010312221. The reversal of 1220010312200 is 22130100221.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 905515915396 + 314494396804 = 951586^2 + 560798^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1557371 + ... + 2205770.

Almost surely, 2^{1220010312200} is an apocalyptic number.

1220010312200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220010312200 is an abundant number, since it is smaller than the sum of its proper divisors (1618264278460).

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

1220010312200 is a wasteful number, since it uses less digits than its factorization.

1220010312200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3764778 (or 3764769 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1220010312200 its reverse (22130100221), we get a palindrome (1242140412421).

The spelling of 1220010312200 in words is "one trillion, two hundred twenty billion, ten million, three hundred twelve thousand, two hundred".