1224342423100 has 144 divisors (see below), whose sum is σ = 2832510895200. Its totient is φ = 458045521920.

The previous prime is 1224342422977. The next prime is 1224342423127. The reversal of 1224342423100 is 13242434221.

It is a super-2 number, since 2×1224342423100² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55166806 + ... + 55188994.

It is an arithmetic number, because the mean of its divisors is an integer number (19670214550).

Almost surely, 2^{1224342423100} is an apocalyptic number.

1224342423100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1224342423100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1416255447600).

1224342423100 is an abundant number, since it is smaller than the sum of its proper divisors (1608168472100).

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

1224342423100 is a wasteful number, since it uses less digits than its factorization.

1224342423100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22592 (or 22585 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1224342423100 its reverse (13242434221), we get a palindrome (1237584857321).

The spelling of 1224342423100 in words is "one trillion, two hundred twenty-four billion, three hundred forty-two million, four hundred twenty-three thousand, one hundred".