1223167326100 has 18 divisors (see below), whose sum is σ = 2654273097854. Its totient is φ = 489266930400.

The previous prime is 1223167326079. The next prime is 1223167326109. The reversal of 1223167326100 is 16237613221.

It can be written as a sum of positive squares in 3 ways, for example, as 242524731024 + 980642595076 = 492468^2 + 990274^2 .

It is a super-2 number, since 2×1223167326100² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223167326109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6115836531 + ... + 6115836730.

Almost surely, 2^{1223167326100} is an apocalyptic number.

1223167326100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223167326100 is an abundant number, since it is smaller than the sum of its proper divisors (1431105771754).

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

1223167326100 is a wasteful number, since it uses less digits than its factorization.

1223167326100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12231673275 (or 12231673268 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The spelling of 1223167326100 in words is "one trillion, two hundred twenty-three billion, one hundred sixty-seven million, three hundred twenty-six thousand, one hundred".