12211100146 has 16 divisors (see below), whose sum is σ = 21228151680. Its totient is φ = 5159619360.

The previous prime is 12211100009. The next prime is 12211100147. The reversal of 12211100146 is 64100111221.

It is a super-2 number, since 2×12211100146² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12211100147) 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, 6141411 + ... + 6143398.

It is an arithmetic number, because the mean of its divisors is an integer number (1326759480).

Almost surely, 2^12211100146 is an apocalyptic number.

12211100146 is a deficient number, since it is larger than the sum of its proper divisors (9017051534).

12211100146 is a wasteful number, since it uses less digits than its factorization.

12211100146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12284889.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 12211100146 its reverse (64100111221), we get a palindrome (76311211367).

The spelling of 12211100146 in words is "twelve billion, two hundred eleven million, one hundred thousand, one hundred forty-six".