1223212220110 has 32 divisors (see below), whose sum is σ = 2203777666080. Its totient is φ = 488841564288.

The previous prime is 1223212220101. The next prime is 1223212220129. The reversal of 1223212220110 is 110222123221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131622624 + ... + 131631916.

It is an arithmetic number, because the mean of its divisors is an integer number (68868052065).

Almost surely, 2^{1223212220110} is an apocalyptic number.

1223212220110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223212220110 is a deficient number, since it is larger than the sum of its proper divisors (980565445970).

1223212220110 is a wasteful number, since it uses less digits than its factorization.

1223212220110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19812.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1223212220110 its reverse (110222123221), we get a palindrome (1333434343331).

The spelling of 1223212220110 in words is "one trillion, two hundred twenty-three billion, two hundred twelve million, two hundred twenty thousand, one hundred ten".