12121200692 has 6 divisors (see below), whose sum is σ = 21212101218. Its totient is φ = 6060600344.

The previous prime is 12121200683. The next prime is 12121200709. The reversal of 12121200692 is 29600212121.

12121200692 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9193741456 + 2927459236 = 95884^2 + 54106^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1515150083 + ... + 1515150090.

It is an arithmetic number, because the mean of its divisors is an integer number (3535350203).

Almost surely, 2^12121200692 is an apocalyptic number.

It is an amenable number.

12121200692 is a deficient number, since it is larger than the sum of its proper divisors (9090900526).

12121200692 is a wasteful number, since it uses less digits than its factorization.

12121200692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030300177 (or 3030300175 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 12121200692 in words is "twelve billion, one hundred twenty-one million, two hundred thousand, six hundred ninety-two".