20120002313011 has 4 divisors (see below), whose sum is σ = 20120064287400. Its totient is φ = 20119940338624.

The previous prime is 20120002312999. The next prime is 20120002313017. The reversal of 20120002313011 is 11031320002102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20120002313011 - 2¹⁵ = 20120002280243 is a prime.

It is a super-2 number, since 2×20120002313011² (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 (20120002313017) 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 3 ways as a sum of consecutive naturals, for example, 30497641 + ... + 31150378.

It is an arithmetic number, because the mean of its divisors is an integer number (5030016071850).

Almost surely, 2^{20120002313011} is an apocalyptic number.

20120002313011 is a deficient number, since it is larger than the sum of its proper divisors (61974389).

20120002313011 is an equidigital number, since it uses as much as digits as its factorization.

20120002313011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61974388.

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

Adding to 20120002313011 its reverse (11031320002102), we get a palindrome (31151322315113).

The spelling of 20120002313011 in words is "twenty trillion, one hundred twenty billion, two million, three hundred thirteen thousand, eleven".