12100022331 has 16 divisors (see below), whose sum is σ = 16685826048. Its totient is φ = 7791451200.

The previous prime is 12100022327. The next prime is 12100022369. The reversal of 12100022331 is 13322000121.

It is not a de Polignac number, because 12100022331 - 2² = 12100022327 is a prime.

It is a super-2 number, since 2×12100022331² (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 12100022331.

It is not an unprimeable number, because it can be changed into a prime (12100022381) 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, 76411 + ... + 173316.

It is an arithmetic number, because the mean of its divisors is an integer number (1042864128).

Almost surely, 2^12100022331 is an apocalyptic number.

12100022331 is a deficient number, since it is larger than the sum of its proper divisors (4585803717).

12100022331 is a wasteful number, since it uses less digits than its factorization.

12100022331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250282.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12100022331 its reverse (13322000121), we get a palindrome (25422022452).

The spelling of 12100022331 in words is "twelve billion, one hundred million, twenty-two thousand, three hundred thirty-one".