1212120102012 has 48 divisors (see below), whose sum is σ = 2974600323072. Its totient is φ = 383628997440.

The previous prime is 1212120101993. The next prime is 1212120102059. The reversal of 1212120102012 is 2102010212121.

It is a junction number, because it is equal to n+sod(n) for n = 1212120101982 and 1212120102000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30719788 + ... + 30759219.

It is an arithmetic number, because the mean of its divisors is an integer number (61970840064).

Almost surely, 2^{1212120102012} is an apocalyptic number.

1212120102012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1212120102012 is an abundant number, since it is smaller than the sum of its proper divisors (1762480221060).

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

1212120102012 is a wasteful number, since it uses less digits than its factorization.

1212120102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61479098 (or 61479096 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1212120102012 its reverse (2102010212121), we get a palindrome (3314130314133).

The spelling of 1212120102012 in words is "one trillion, two hundred twelve billion, one hundred twenty million, one hundred two thousand, twelve".