12202115122 has 4 divisors (see below), whose sum is σ = 18303172686. Its totient is φ = 6101057560.

The previous prime is 12202115119. The next prime is 12202115129. The reversal of 12202115122 is 22151120221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11844186561 + 357928561 = 108831^2 + 18919^2 .

It is a super-2 number, since 2×12202115122² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12202115122.

It is not an unprimeable number, because it can be changed into a prime (12202115129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3050528779 + ... + 3050528782.

Almost surely, 2^12202115122 is an apocalyptic number.

12202115122 is a deficient number, since it is larger than the sum of its proper divisors (6101057564).

12202115122 is an equidigital number, since it uses as much as digits as its factorization.

12202115122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6101057563.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 12202115122 its reverse (22151120221), we get a palindrome (34353235343).

The spelling of 12202115122 in words is "twelve billion, two hundred two million, one hundred fifteen thousand, one hundred twenty-two".