2002121212102 has 64 divisors (see below), whose sum is σ = 3542109321024. Its totient is φ = 838621347840.

The previous prime is 2002121212043. The next prime is 2002121212111. The reversal of 2002121212102 is 2012121212002.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 3472738 + ... + 4008010.

It is an arithmetic number, because the mean of its divisors is an integer number (55345458141).

Almost surely, 2^{2002121212102} is an apocalyptic number.

2002121212102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2002121212102 is a deficient number, since it is larger than the sum of its proper divisors (1539988108922).

2002121212102 is a wasteful number, since it uses less digits than its factorization.

2002121212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535513.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2002121212102 its reverse (2012121212002), we get a palindrome (4014242424104).

The spelling of 2002121212102 in words is "two trillion, two billion, one hundred twenty-one million, two hundred twelve thousand, one hundred two".