12100220422 has 8 divisors (see below), whose sum is σ = 18151068096. Its totient is φ = 6049864392.

The previous prime is 12100220393. The next prime is 12100220501. The reversal of 12100220422 is 22402200121.

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

It is a junction number, because it is equal to n+sod(n) for n = 12100220396 and 12100220405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53553 + ... + 164524.

It is an arithmetic number, because the mean of its divisors is an integer number (2268883512).

Almost surely, 2^12100220422 is an apocalyptic number.

12100220422 is a deficient number, since it is larger than the sum of its proper divisors (6050847674).

12100220422 is a wasteful number, since it uses less digits than its factorization.

12100220422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245822.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12100220422 its reverse (22402200121), we get a palindrome (34502420543).

The spelling of 12100220422 in words is "twelve billion, one hundred million, two hundred twenty thousand, four hundred twenty-two".