1223031222200 has 48 divisors (see below), whose sum is σ = 2865254123160. Its totient is φ = 485478032000.

The previous prime is 1223031222113. The next prime is 1223031222221. The reversal of 1223031222200 is 22221303221.

It is a happy number.

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 11 ways as a sum of consecutive naturals, for example, 23314091 + ... + 23366490.

Almost surely, 2^{1223031222200} is an apocalyptic number.

1223031222200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223031222200 is an abundant number, since it is smaller than the sum of its proper divisors (1642222900960).

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

1223031222200 is a wasteful number, since it uses less digits than its factorization.

1223031222200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46680728 (or 46680719 counting only the distinct ones).

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

Adding to 1223031222200 its reverse (22221303221), we get a palindrome (1245252525421).

The spelling of 1223031222200 in words is "one trillion, two hundred twenty-three billion, thirty-one million, two hundred twenty-two thousand, two hundred".