1212210000512 has 32 divisors (see below), whose sum is σ = 2759942413920. Its totient is φ = 519518571264.

The previous prime is 1212210000511. The next prime is 1212210000527. The reversal of 1212210000512 is 2150000122121.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (1212210000511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 676455578 + ... + 676457369.

It is an arithmetic number, because the mean of its divisors is an integer number (86248200435).

Almost surely, 2^{1212210000512} is an apocalyptic number.

It is an amenable number.

1212210000512 is an abundant number, since it is smaller than the sum of its proper divisors (1547732413408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212210000512 is an equidigital number, since it uses as much as digits as its factorization.

1212210000512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352912968 (or 1352912956 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 1212210000512 its reverse (2150000122121), we get a palindrome (3362210122633).

The spelling of 1212210000512 in words is "one trillion, two hundred twelve billion, two hundred ten million, five hundred twelve", and thus it is an aban number.