1212201212000 has 48 divisors (see below), whose sum is σ = 2978378387712. Its totient is φ = 484880483200.

The previous prime is 1212201211987. The next prime is 1212201212039. The reversal of 1212201212000 is 2121022121.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 151521152 + ... + 151529151.

It is an arithmetic number, because the mean of its divisors is an integer number (62049549744).

Almost surely, 2^{1212201212000} is an apocalyptic number.

1212201212000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1212201212000 is an abundant number, since it is smaller than the sum of its proper divisors (1766177175712).

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

1212201212000 is an equidigital number, since it uses as much as digits as its factorization.

1212201212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303050328 (or 303050310 counting only the distinct ones).

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

Adding to 1212201212000 its reverse (2121022121), we get a palindrome (1214322234121).

It can be divided in two parts, 121220121 and 2000, that added together give a palindrome (121222121).

The spelling of 1212201212000 in words is "one trillion, two hundred twelve billion, two hundred one million, two hundred twelve thousand".