2002121012002 has 8 divisors (see below), whose sum is σ = 3012776348076. Its totient is φ = 997862229312.

The previous prime is 2002121011999. The next prime is 2002121012027. The reversal of 2002121012002 is 2002101212002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1811659468441 + 190461543561 = 1345979^2 + 436419^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1599137563 + ... + 1599138814.

Almost surely, 2^{2002121012002} is an apocalyptic number.

2002121012002 is a deficient number, since it is larger than the sum of its proper divisors (1010655336074).

2002121012002 is a wasteful number, since it uses less digits than its factorization.

2002121012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3198276692.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2002121012002 its reverse (2002101212002), we get a palindrome (4004222224004).

The spelling of 2002121012002 in words is "two trillion, two billion, one hundred twenty-one million, twelve thousand, two".