1223810013888 has 168 divisors, whose sum is σ = 4373399147520. Its totient is φ = 317872719360.

The previous prime is 1223810013863. The next prime is 1223810013911. The reversal of 1223810013888 is 8883100183221.

It is a tau number, because it is divible by the number of its divisors (168).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13752208 + ... + 13840911.

Almost surely, 2^{1223810013888} is an apocalyptic number.

1223810013888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1223810013888 is an abundant number, since it is smaller than the sum of its proper divisors (3149589133632).

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

1223810013888 is a wasteful number, since it uses less digits than its factorization.

1223810013888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27593155 (or 27593142 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

The spelling of 1223810013888 in words is "one trillion, two hundred twenty-three billion, eight hundred ten million, thirteen thousand, eight hundred eighty-eight".