2002120122012 has 48 divisors (see below), whose sum is σ = 4724707226400. Its totient is φ = 659790489600.

The previous prime is 2002120121987. The next prime is 2002120122017. The reversal of 2002120122012 is 2102210212002.

It is a junction number, because it is equal to n+sod(n) for n = 2002120121982 and 2002120122000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002120122017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8536164 + ... + 8767572.

It is an arithmetic number, because the mean of its divisors is an integer number (98431400550).

Almost surely, 2^{2002120122012} is an apocalyptic number.

It is an amenable number.

2002120122012 is an abundant number, since it is smaller than the sum of its proper divisors (2722587104388).

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

2002120122012 is a wasteful number, since it uses less digits than its factorization.

2002120122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239606 (or 239604 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2002120122012 its reverse (2102210212002), we get a palindrome (4104330334014).

The spelling of 2002120122012 in words is "two trillion, two billion, one hundred twenty million, one hundred twenty-two thousand, twelve".