12211102302 has 32 divisors (see below), whose sum is σ = 28293441792. Its totient is φ = 3441092544.

The previous prime is 12211102301. The next prime is 12211102357. The reversal of 12211102302 is 20320111221.

It is a super-2 number, since 2×12211102302² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211102301) 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, 1988308 + ... + 1994439.

It is an arithmetic number, because the mean of its divisors is an integer number (884170056).

Almost surely, 2^12211102302 is an apocalyptic number.

12211102302 is an abundant number, since it is smaller than the sum of its proper divisors (16082339490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12211102302 is a wasteful number, since it uses less digits than its factorization.

12211102302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3982832.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12211102302 its reverse (20320111221), we get a palindrome (32531213523).

The spelling of 12211102302 in words is "twelve billion, two hundred eleven million, one hundred two thousand, three hundred two".