12202121012 has 48 divisors (see below), whose sum is σ = 22229007360. Its totient is φ = 5856993792.

The previous prime is 12202120993. The next prime is 12202121077. The reversal of 12202121012 is 21012120221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2329148 + ... + 2334380.

It is an arithmetic number, because the mean of its divisors is an integer number (463104320).

Almost surely, 2^12202121012 is an apocalyptic number.

It is an amenable number.

12202121012 is a deficient number, since it is larger than the sum of its proper divisors (10026886348).

12202121012 is a wasteful number, since it uses less digits than its factorization.

12202121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5520 (or 5518 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12202121012 its reverse (21012120221), we get a palindrome (33214241233).

The spelling of 12202121012 in words is "twelve billion, two hundred two million, one hundred twenty-one thousand, twelve".