12011111202 has 16 divisors (see below), whose sum is σ = 24023312640. Its totient is φ = 4003522032.

The previous prime is 12011111197. The next prime is 12011111207. The reversal of 12011111202 is 20211111021.

12011111202 is nontrivially palindromic in base 9.

It is an interprime number because it is at equal distance from previous prime (12011111197) and next prime (12011111207).

It is not an unprimeable number, because it can be changed into a prime (12011111207) 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, 198799 + ... + 252077.

It is an arithmetic number, because the mean of its divisors is an integer number (1501457040).

Almost surely, 2^12011111202 is an apocalyptic number.

12011111202 is an abundant number, since it is smaller than the sum of its proper divisors (12012201438).

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

12011111202 is a wasteful number, since it uses less digits than its factorization.

12011111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90857.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12011111202 its reverse (20211111021), we get a palindrome (32222222223).

The spelling of 12011111202 in words is "twelve billion, eleven million, one hundred eleven thousand, two hundred two".