12102203012 has 6 divisors (see below), whose sum is σ = 21178855278. Its totient is φ = 6051101504.

The previous prime is 12102202993. The next prime is 12102203021. The reversal of 12102203012 is 21030220121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10820992576 + 1281210436 = 104024^2 + 35794^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1512775373 + ... + 1512775380.

It is an arithmetic number, because the mean of its divisors is an integer number (3529809213).

Almost surely, 2^12102203012 is an apocalyptic number.

It is an amenable number.

12102203012 is a deficient number, since it is larger than the sum of its proper divisors (9076652266).

12102203012 is a wasteful number, since it uses less digits than its factorization.

12102203012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3025550757 (or 3025550755 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12102203012 its reverse (21030220121), we get a palindrome (33132423133).

The spelling of 12102203012 in words is "twelve billion, one hundred two million, two hundred three thousand, twelve".