20120001023130 has 32 divisors (see below), whose sum is σ = 50829476270400. Its totient is φ = 5082947626752.

The previous prime is 20120001023081. The next prime is 20120001023159. The reversal of 20120001023130 is 3132010002102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17649123135 + ... + 17649124274.

It is an arithmetic number, because the mean of its divisors is an integer number (1588421133450).

Almost surely, 2^{20120001023130} is an apocalyptic number.

20120001023130 is an abundant number, since it is smaller than the sum of its proper divisors (30709475247270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20120001023130 is a wasteful number, since it uses less digits than its factorization.

20120001023130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35298247438.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20120001023130 its reverse (3132010002102), we get a palindrome (23252011025232).

The spelling of 20120001023130 in words is "twenty trillion, one hundred twenty billion, one million, twenty-three thousand, one hundred thirty".