12012001202 has 24 divisors (see below), whose sum is σ = 19800265860.
Its totient is φ = 5457777920.
The previous prime is 12012001193. The next prime is 12012001237. The reversal of 12012001202 is 20210021021.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 7485537361 + 4526463841 = 86519^2 + 67279^2
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 341549 + ... + 375072.
Almost surely, 212012001202 is an apocalyptic number.
12012001202 is a deficient number, since it is larger than the sum of its proper divisors (7788264658).
12012001202 is a wasteful number, since it uses less digits than its factorization.
12012001202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 716686 (or 716669 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 11.
Adding to 12012001202 its reverse (20210021021), we get a palindrome (32222022223).
The spelling of 12012001202 in words is "twelve billion, twelve million, one thousand, two hundred two".