2312120203101 has 12 divisors (see below), whose sum is σ = 3340198272060. Its totient is φ = 1541196965760.

The previous prime is 2312120203009. The next prime is 2312120203109. The reversal of 2312120203101 is 1013020212132.

2312120203101 is a `hidden beast` number, since 2 + 312 + 1 + 20 + 20 + 310 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 379739412900 + 1932380790201 = 616230^2 + 1390101^2 .

It is not a de Polignac number, because 2312120203101 - 2¹⁵ = 2312120170333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312120203109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17974266 + ... + 18102443.

It is an arithmetic number, because the mean of its divisors is an integer number (278349856005).

Almost surely, 2^{2312120203101} is an apocalyptic number.

It is an amenable number.

2312120203101 is a deficient number, since it is larger than the sum of its proper divisors (1028078068959).

2312120203101 is a wasteful number, since it uses less digits than its factorization.

2312120203101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36083836 (or 36083833 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2312120203101 its reverse (1013020212132), we get a palindrome (3325140415233).

The spelling of 2312120203101 in words is "two trillion, three hundred twelve billion, one hundred twenty million, two hundred three thousand, one hundred one".