12100121331 has 8 divisors (see below), whose sum is σ = 17082524304. Its totient is φ = 7592232960.

The previous prime is 12100121317. The next prime is 12100121333. The reversal of 12100121331 is 13312100121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12100121331 - 2¹³ = 12100113139 is a prime.

It is a super-2 number, since 2×12100121331² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12100121331.

It is not an unprimeable number, because it can be changed into a prime (12100121333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118628590 + ... + 118628691.

It is an arithmetic number, because the mean of its divisors is an integer number (2135315538).

Almost surely, 2^12100121331 is an apocalyptic number.

12100121331 is a deficient number, since it is larger than the sum of its proper divisors (4982402973).

12100121331 is a wasteful number, since it uses less digits than its factorization.

12100121331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237257301.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12100121331 its reverse (13312100121), we get a palindrome (25412221452).

The spelling of 12100121331 in words is "twelve billion, one hundred million, one hundred twenty-one thousand, three hundred thirty-one".