1212124210120 has 64 divisors (see below), whose sum is σ = 2740134096000. Its totient is φ = 482567232000.

The previous prime is 1212124210111. The next prime is 1212124210127. The reversal of 1212124210120 is 210124212121.

It is not an unprimeable number, because it can be changed into a prime (1212124210127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14002812 + ... + 14089108.

It is an arithmetic number, because the mean of its divisors is an integer number (42814595250).

Almost surely, 2^{1212124210120} is an apocalyptic number.

1212124210120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1212124210120 is an abundant number, since it is smaller than the sum of its proper divisors (1528009885880).

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

1212124210120 is a wasteful number, since it uses less digits than its factorization.

1212124210120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87958 (or 87954 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1212124210120 its reverse (210124212121), we get a palindrome (1422248422241).

The spelling of 1212124210120 in words is "one trillion, two hundred twelve billion, one hundred twenty-four million, two hundred ten thousand, one hundred twenty".