2102120330012 has 24 divisors (see below), whose sum is σ = 3728043639936. Its totient is φ = 1036999094768.

The previous prime is 2102120329993. The next prime is 2102120330059. The reversal of 2102120330012 is 2100330212012.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4014218 + ... + 4507569.

It is an arithmetic number, because the mean of its divisors is an integer number (155335151664).

Almost surely, 2^{2102120330012} is an apocalyptic number.

It is an amenable number.

2102120330012 is a deficient number, since it is larger than the sum of its proper divisors (1625923309924).

2102120330012 is a wasteful number, since it uses less digits than its factorization.

2102120330012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8522617 (or 8522615 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2102120330012 its reverse (2100330212012), we get a palindrome (4202450542024).

The spelling of 2102120330012 in words is "two trillion, one hundred two billion, one hundred twenty million, three hundred thirty thousand, twelve".