20121102130030 has 32 divisors (see below), whose sum is σ = 39512383819488. Its totient is φ = 7316420707200.

The previous prime is 20121102130013. The next prime is 20121102130033. The reversal of 20121102130030 is 3003120112102.

It is a junction number, because it is equal to n+sod(n) for n = 20121102129986 and 20121102130013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20121102130033) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1938117 + ... + 6633136.

It is an arithmetic number, because the mean of its divisors is an integer number (1234761994359).

Almost surely, 2^{20121102130030} is an apocalyptic number.

20121102130030 is a deficient number, since it is larger than the sum of its proper divisors (19391281689458).

20121102130030 is a wasteful number, since it uses less digits than its factorization.

20121102130030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8592612.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20121102130030 its reverse (3003120112102), we get a palindrome (23124222242132).

The spelling of 20121102130030 in words is "twenty trillion, one hundred twenty-one billion, one hundred two million, one hundred thirty thousand, thirty".