12121443101030 has 16 divisors (see below), whose sum is σ = 21818945476224. Its totient is φ = 4848499930560.

The previous prime is 12121443101017. The next prime is 12121443101113. The reversal of 12121443101030 is 3010134412121.

It is a junction number, because it is equal to n+sod(n) for n = 12121443100987 and 12121443101005.

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 7 ways as a sum of consecutive naturals, for example, 9003062 + ... + 10261481.

It is an arithmetic number, because the mean of its divisors is an integer number (1363684092264).

Almost surely, 2^{12121443101030} is an apocalyptic number.

12121443101030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12121443101030 is a deficient number, since it is larger than the sum of its proper divisors (9697502375194).

12121443101030 is a wasteful number, since it uses less digits than its factorization.

12121443101030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19327471.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 12121443101030 its reverse (3010134412121), we get a palindrome (15131577513151).

The spelling of 12121443101030 in words is "twelve trillion, one hundred twenty-one billion, four hundred forty-three million, one hundred one thousand, thirty".