12202120232 has 8 divisors (see below), whose sum is σ = 22878975450. Its totient is φ = 6101060112.

The previous prime is 12202120201. The next prime is 12202120237. The reversal of 12202120232 is 23202120221.

It can be written as a sum of positive squares in only one way, i.e., 7984137316 + 4217982916 = 89354^2 + 64946^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 12202120232.

It is not an unprimeable number, because it can be changed into a prime (12202120237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 762632507 + ... + 762632522.

Almost surely, 2^12202120232 is an apocalyptic number.

It is an amenable number.

12202120232 is a deficient number, since it is larger than the sum of its proper divisors (10676855218).

12202120232 is a wasteful number, since it uses less digits than its factorization.

12202120232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525265035 (or 1525265031 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 12202120232 its reverse (23202120221), we get a palindrome (35404240453).

The spelling of 12202120232 in words is "twelve billion, two hundred two million, one hundred twenty thousand, two hundred thirty-two".