12101231300121 has 12 divisors (see below), whose sum is σ = 17480458186672. Its totient is φ = 8067071288376.

The previous prime is 12101231300111. The next prime is 12101231300131. The reversal of 12101231300121 is 12100313210121.

12101231300121 is a `hidden beast` number, since 1 + 2 + 10 + 1 + 231 + 300 + 121 = 666.

It is an interprime number because it is at equal distance from previous prime (12101231300111) and next prime (12101231300131).

It is not a de Polignac number, because 12101231300121 - 2²¹ = 12101229202969 is a prime.

It is a super-2 number, since 2×12101231300121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12101231300094 and 12101231300103.

It is not an unprimeable number, because it can be changed into a prime (12101231300111) 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, 34502911 + ... + 34851876.

Almost surely, 2^{12101231300121} is an apocalyptic number.

It is an amenable number.

12101231300121 is a deficient number, since it is larger than the sum of its proper divisors (5379226886551).

12101231300121 is a wasteful number, since it uses less digits than its factorization.

12101231300121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69374180 (or 69374177 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 12101231300121 its reverse (12100313210121), we get a palindrome (24201544510242).

Subtracting from 12101231300121 its reverse (12100313210121), we obtain a square (918090000 = 30300²).

The spelling of 12101231300121 in words is "twelve trillion, one hundred one billion, two hundred thirty-one million, three hundred thousand, one hundred twenty-one".