12121044202 has 8 divisors (see below), whose sum is σ = 18188093700. Its totient is φ = 6058346304.

The previous prime is 12121044197. The next prime is 12121044203. The reversal of 12121044202 is 20244012121.

It can be written as a sum of positive squares in 2 ways, for example, as 12058016481 + 63027721 = 109809^2 + 7939^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 12121044202.

It is not an unprimeable number, because it can be changed into a prime (12121044203) 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, 1080927 + ... + 1092082.

Almost surely, 2^12121044202 is an apocalyptic number.

12121044202 is a deficient number, since it is larger than the sum of its proper divisors (6067049498).

12121044202 is a wasteful number, since it uses less digits than its factorization.

12121044202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2175800.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12121044202 its reverse (20244012121), we get a palindrome (32365056323).

The spelling of 12121044202 in words is "twelve billion, one hundred twenty-one million, forty-four thousand, two hundred two".