12102211010012 has 6 divisors (see below), whose sum is σ = 21178869267528. Its totient is φ = 6051105505004.

The previous prime is 12102211010011. The next prime is 12102211010017. The reversal of 12102211010012 is 21001011220121.

It is a super-2 number, since 2×12102211010012² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102211010011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1512776376248 + ... + 1512776376255.

It is an arithmetic number, because the mean of its divisors is an integer number (3529811544588).

Almost surely, 2^{12102211010012} is an apocalyptic number.

It is an amenable number.

12102211010012 is a deficient number, since it is larger than the sum of its proper divisors (9076658257516).

12102211010012 is a wasteful number, since it uses less digits than its factorization.

12102211010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3025552752507 (or 3025552752505 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12102211010012 its reverse (21001011220121), we get a palindrome (33103222230133).

The spelling of 12102211010012 in words is "twelve trillion, one hundred two billion, two hundred eleven million, ten thousand, twelve".