1222430032100 has 36 divisors (see below), whose sum is σ = 2682478505700. Its totient is φ = 483477941760.

The previous prime is 1222430032063. The next prime is 1222430032171. The reversal of 1222430032100 is 12300342221.

It can be written as a sum of positive squares in 6 ways, for example, as 25961587876 + 1196468444224 = 161126^2 + 1093832^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68666945 + ... + 68684744.

It is an arithmetic number, because the mean of its divisors is an integer number (74513291825).

Almost surely, 2^{1222430032100} is an apocalyptic number.

1222430032100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222430032100 is an abundant number, since it is smaller than the sum of its proper divisors (1460048473600).

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

1222430032100 is a wasteful number, since it uses less digits than its factorization.

1222430032100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137351792 (or 137351785 counting only the distinct ones).

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

Adding to 1222430032100 its reverse (12300342221), we get a palindrome (1234730374321).

The spelling of 1222430032100 in words is "one trillion, two hundred twenty-two billion, four hundred thirty million, thirty-two thousand, one hundred".