12121110103030 has 16 divisors (see below), whose sum is σ = 22143639950640. Its totient is φ = 4776079204512.

The previous prime is 12121110102961. The next prime is 12121110103049. The reversal of 12121110103030 is 3030101112121.

It is a happy number.

12121110103030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12121110102995 and 12121110103013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9045603885 + ... + 9045605224.

It is an arithmetic number, because the mean of its divisors is an integer number (1383977496915).

Almost surely, 2^{12121110103030} is an apocalyptic number.

12121110103030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12121110103030 is a deficient number, since it is larger than the sum of its proper divisors (10022529847610).

12121110103030 is a wasteful number, since it uses less digits than its factorization.

12121110103030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18091209183.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 12121110103030 its reverse (3030101112121), we get a palindrome (15151211215151).

The spelling of 12121110103030 in words is "twelve trillion, one hundred twenty-one billion, one hundred ten million, one hundred three thousand, thirty".