2002012121212 has 48 divisors (see below), whose sum is σ = 3596875097760. Its totient is φ = 974443392000.

The previous prime is 2002012121201. The next prime is 2002012121231. The reversal of 2002012121212 is 2121212102002.

It is a happy number.

2002012121212 is a modest number, since divided by 12121212 gives 20020 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157669648 + ... + 157682344.

It is an arithmetic number, because the mean of its divisors is an integer number (74934897870).

Almost surely, 2^{2002012121212} is an apocalyptic number.

It is an amenable number.

2002012121212 is a deficient number, since it is larger than the sum of its proper divisors (1594862976548).

2002012121212 is a wasteful number, since it uses less digits than its factorization.

2002012121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14782 (or 14780 counting only the distinct ones).

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

Adding to 2002012121212 its reverse (2121212102002), we get a palindrome (4123224223214).

The spelling of 2002012121212 in words is "two trillion, two billion, twelve million, one hundred twenty-one thousand, two hundred twelve".