20120012020311 has 16 divisors (see below), whose sum is σ = 32272700985600. Its totient is φ = 10892036582208.

The previous prime is 20120012020279. The next prime is 20120012020351. The reversal of 20120012020311 is 11302021002102.

It is not a de Polignac number, because 20120012020311 - 2⁵ = 20120012020279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120012020351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25213047246 + ... + 25213048043.

It is an arithmetic number, because the mean of its divisors is an integer number (2017043811600).

Almost surely, 2^{20120012020311} is an apocalyptic number.

20120012020311 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20120012020311 is a deficient number, since it is larger than the sum of its proper divisors (12152688965289).

20120012020311 is a wasteful number, since it uses less digits than its factorization.

20120012020311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50426095318.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20120012020311 its reverse (11302021002102), we get a palindrome (31422033022413).

The spelling of 20120012020311 in words is "twenty trillion, one hundred twenty billion, twelve million, twenty thousand, three hundred eleven".