243121250030 has 8 divisors (see below), whose sum is σ = 437618250072. Its totient is φ = 97248500008.

The previous prime is 243121250011. The next prime is 243121250033. The reversal of 243121250030 is 30052121342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×243121250030² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243121249978 and 243121250005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243121250033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12156062492 + ... + 12156062511.

It is an arithmetic number, because the mean of its divisors is an integer number (54702281259).

Almost surely, 2^243121250030 is an apocalyptic number.

243121250030 is a deficient number, since it is larger than the sum of its proper divisors (194497000042).

243121250030 is a wasteful number, since it uses less digits than its factorization.

243121250030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24312125010.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 243121250030 its reverse (30052121342), we get a palindrome (273173371372).

The spelling of 243121250030 in words is "two hundred forty-three billion, one hundred twenty-one million, two hundred fifty thousand, thirty".