12215110126 has 8 divisors (see below), whose sum is σ = 18954481320. Its totient is φ = 5896949688.

The previous prime is 12215110121. The next prime is 12215110133. The reversal of 12215110126 is 62101151221.

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 = 12215110097 and 12215110106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12215110121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105302616 + ... + 105302731.

It is an arithmetic number, because the mean of its divisors is an integer number (2369310165).

Almost surely, 2^12215110126 is an apocalyptic number.

12215110126 is a deficient number, since it is larger than the sum of its proper divisors (6739371194).

12215110126 is a wasteful number, since it uses less digits than its factorization.

12215110126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210605378.

The product of its (nonzero) digits is 240, while the sum is 22.

Adding to 12215110126 its reverse (62101151221), we get a palindrome (74316261347).

The spelling of 12215110126 in words is "twelve billion, two hundred fifteen million, one hundred ten thousand, one hundred twenty-six".