243100122213400 has 48 divisors (see below), whose sum is σ = 565417977953400. Its totient is φ = 97203886510080.

The previous prime is 243100122213373. The next prime is 243100122213433. The reversal of 243100122213400 is 4312221001342.

It is a super-2 number, since 2×243100122213400² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 225475702 + ... + 226551301.

Almost surely, 2^{243100122213400} is an apocalyptic number.

243100122213400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243100122213400 is an abundant number, since it is smaller than the sum of its proper divisors (322317855740000).

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

243100122213400 is a wasteful number, since it uses less digits than its factorization.

243100122213400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452029708 (or 452029699 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 243100122213400 its reverse (4312221001342), we get a palindrome (247412343214742).

The spelling of 243100122213400 in words is "two hundred forty-three trillion, one hundred billion, one hundred twenty-two million, two hundred thirteen thousand, four hundred".