12202120012 has 6 divisors (see below), whose sum is σ = 21353710028. Its totient is φ = 6101060004.

The previous prime is 12202119997. The next prime is 12202120013. The reversal of 12202120012 is 21002120221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12202119974 and 12202120001.

It is not an unprimeable number, because it can be changed into a prime (12202120013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1525264998 + ... + 1525265005.

Almost surely, 2^12202120012 is an apocalyptic number.

It is an amenable number.

12202120012 is a deficient number, since it is larger than the sum of its proper divisors (9151590016).

12202120012 is a wasteful number, since it uses less digits than its factorization.

12202120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3050530007 (or 3050530005 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12202120012 its reverse (21002120221), we get a palindrome (33204240233).

The spelling of 12202120012 in words is "twelve billion, two hundred two million, one hundred twenty thousand, twelve".