1212012101120 has 40 divisors (see below), whose sum is σ = 2905988395464. Its totient is φ = 484804839424.

The previous prime is 1212012101099. The next prime is 1212012101161. The reversal of 1212012101120 is 211012102121.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1212012101120² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1212012101095 and 1212012101104.

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 3 ways as a sum of consecutive naturals, for example, 236718554 + ... + 236723673.

Almost surely, 2^{1212012101120} is an apocalyptic number.

1212012101120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1212012101120 is an abundant number, since it is smaller than the sum of its proper divisors (1693976294344).

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

1212012101120 is an frugal number, since it uses more digits than its factorization.

1212012101120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473442250 (or 473442234 counting only the distinct ones).

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

Adding to 1212012101120 its reverse (211012102121), we get a palindrome (1423024203241).

The spelling of 1212012101120 in words is "one trillion, two hundred twelve billion, twelve million, one hundred one thousand, one hundred twenty".