1223132220100 has 36 divisors (see below), whose sum is σ = 3033367907584. Its totient is φ = 419359618080.

The previous prime is 1223132220097. The next prime is 1223132220109. The reversal of 1223132220100 is 10222313221.

It is not an unprimeable number, because it can be changed into a prime (1223132220109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 873665172 + ... + 873666571.

Almost surely, 2^{1223132220100} is an apocalyptic number.

1223132220100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223132220100 is an abundant number, since it is smaller than the sum of its proper divisors (1810235687484).

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

1223132220100 is a wasteful number, since it uses less digits than its factorization.

1223132220100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747331764 (or 1747331757 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1223132220100 its reverse (10222313221), we get a palindrome (1233354533321).

The spelling of 1223132220100 in words is "one trillion, two hundred twenty-three billion, one hundred thirty-two million, two hundred twenty thousand, one hundred".