20120312012101 has 16 divisors (see below), whose sum is σ = 23736572674048. Its totient is φ = 16689541806000.

The previous prime is 20120312012093. The next prime is 20120312012137. The reversal of 20120312012101 is 10121021302102.

It is not a de Polignac number, because 20120312012101 - 2³ = 20120312012093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120312013101) 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, 44652076 + ... + 45100426.

It is an arithmetic number, because the mean of its divisors is an integer number (1483535792128).

Almost surely, 2^{20120312012101} is an apocalyptic number.

It is an amenable number.

20120312012101 is a deficient number, since it is larger than the sum of its proper divisors (3616260661947).

20120312012101 is a wasteful number, since it uses less digits than its factorization.

20120312012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655192.

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

Adding to 20120312012101 its reverse (10121021302102), we get a palindrome (30241333314203).

The spelling of 20120312012101 in words is "twenty trillion, one hundred twenty billion, three hundred twelve million, twelve thousand, one hundred one".