20120002120011 has 8 divisors (see below), whose sum is σ = 26827321122880. Its totient is φ = 13413008931912.

The previous prime is 20120002119953. The next prime is 20120002120027. The reversal of 20120002120011 is 11002120002102.

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

It is not a de Polignac number, because 20120002120011 - 2¹⁷ = 20120001988939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20120002120061) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 81309565 + ... + 81556638.

It is an arithmetic number, because the mean of its divisors is an integer number (3353415140360).

Almost surely, 2^{20120002120011} is an apocalyptic number.

20120002120011 is a deficient number, since it is larger than the sum of its proper divisors (6707319002869).

20120002120011 is a wasteful number, since it uses less digits than its factorization.

20120002120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162907385.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20120002120011 its reverse (11002120002102), we get a palindrome (31122122122113).

The spelling of 20120002120011 in words is "twenty trillion, one hundred twenty billion, two million, one hundred twenty thousand, eleven".