2002102021212 has 24 divisors (see below), whose sum is σ = 4671707341056. Its totient is φ = 667347917808.

The previous prime is 2002102021187. The next prime is 2002102021237. The reversal of 2002102021212 is 2121202012002.

It is an interprime number because it is at equal distance from previous prime (2002102021187) and next prime (2002102021237).

It is a junction number, because it is equal to n+sod(n) for n = 2002102021191 and 2002102021200.

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, 1995238 + ... + 2825805.

It is an arithmetic number, because the mean of its divisors is an integer number (194654472544).

Almost surely, 2^{2002102021212} is an apocalyptic number.

It is an amenable number.

2002102021212 is an abundant number, since it is smaller than the sum of its proper divisors (2669605319844).

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

2002102021212 is a wasteful number, since it uses less digits than its factorization.

2002102021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4855657 (or 4855655 counting only the distinct ones).

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

Adding to 2002102021212 its reverse (2121202012002), we get a palindrome (4123304033214).

The spelling of 2002102021212 in words is "two trillion, two billion, one hundred two million, twenty-one thousand, two hundred twelve".