12111121202 has 8 divisors (see below), whose sum is σ = 18167635200. Its totient is φ = 6055242804.

The previous prime is 12111121171. The next prime is 12111121207. The reversal of 12111121202 is 20212111121.

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

It is not an unprimeable number, because it can be changed into a prime (12111121207) 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, 108002 + ... + 189437.

It is an arithmetic number, because the mean of its divisors is an integer number (2270954400).

Almost surely, 2^12111121202 is an apocalyptic number.

12111121202 is a deficient number, since it is larger than the sum of its proper divisors (6056513998).

12111121202 is a wasteful number, since it uses less digits than its factorization.

12111121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317800.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12111121202 its reverse (20212111121), we get a palindrome (32323232323).

It can be divided in two parts, 12111121 and 202, that multiplied together give a palindrome (2446446442).

The spelling of 12111121202 in words is "twelve billion, one hundred eleven million, one hundred twenty-one thousand, two hundred two".