1212102200012 has 48 divisors (see below), whose sum is σ = 2374877885184. Its totient is φ = 536650968000.

The previous prime is 1212102200011. The next prime is 1212102200033. The reversal of 1212102200012 is 2100022012121.

It is a self number, because there is not a number n which added to its sum of digits gives 1212102200012.

It is not an unprimeable number, because it can be changed into a prime (1212102200011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2078039 + ... + 2596622.

It is an arithmetic number, because the mean of its divisors is an integer number (49476622608).

Almost surely, 2^{1212102200012} is an apocalyptic number.

It is an amenable number.

1212102200012 is a deficient number, since it is larger than the sum of its proper divisors (1162775685172).

1212102200012 is a wasteful number, since it uses less digits than its factorization.

1212102200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4674830 (or 4674828 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1212102200012 its reverse (2100022012121), we get a palindrome (3312124212133).

The spelling of 1212102200012 in words is "one trillion, two hundred twelve billion, one hundred two million, two hundred thousand, twelve".