20121000201130 has 32 divisors (see below), whose sum is σ = 36730175189760. Its totient is φ = 7934552989440.

The previous prime is 20121000201121. The next prime is 20121000201149. The reversal of 20121000201130 is 3110200012102.

It is a self number, because there is not a number n which added to its sum of digits gives 20121000201130.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10756347 + ... + 12487633.

It is an arithmetic number, because the mean of its divisors is an integer number (1147817974680).

Almost surely, 2^{20121000201130} is an apocalyptic number.

20121000201130 is a deficient number, since it is larger than the sum of its proper divisors (16609174988630).

20121000201130 is a wasteful number, since it uses less digits than its factorization.

20121000201130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1747734.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 20121000201130 its reverse (3110200012102), we get a palindrome (23231200213232).

The spelling of 20121000201130 in words is "twenty trillion, one hundred twenty-one billion, two hundred one thousand, one hundred thirty".