20120012123011 has 8 divisors (see below), whose sum is σ = 21305591049600. Its totient is φ = 18934660841088.

The previous prime is 20120012122997. The next prime is 20120012123143. The reversal of 20120012123011 is 11032121002102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20120012123011 - 2⁵ = 20120012122979 is a prime.

It is a super-2 number, since 2×20120012123011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20120012120011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56729176 + ... + 57082741.

It is an arithmetic number, because the mean of its divisors is an integer number (2663198881200).

Almost surely, 2^{20120012123011} is an apocalyptic number.

20120012123011 is a deficient number, since it is larger than the sum of its proper divisors (1185578926589).

20120012123011 is a wasteful number, since it uses less digits than its factorization.

20120012123011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113822333.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 20120012123011 its reverse (11032121002102), we get a palindrome (31152133125113).

The spelling of 20120012123011 in words is "twenty trillion, one hundred twenty billion, twelve million, one hundred twenty-three thousand, eleven".