2002011001212 has 24 divisors (see below), whose sum is σ = 4673545005136. Its totient is φ = 667024714368.

The previous prime is 2002011001181. The next prime is 2002011001213. The reversal of 2002011001212 is 2121001102002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002011001213) by changing a digit.

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, 39009043 + ... + 39060330.

Almost surely, 2^{2002011001212} is an apocalyptic number.

It is an amenable number.

2002011001212 is an abundant number, since it is smaller than the sum of its proper divisors (2671534003924).

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

2002011001212 is a wasteful number, since it uses less digits than its factorization.

2002011001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78071517 (or 78071515 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2002011001212 its reverse (2121001102002), we get a palindrome (4123012103214).

The spelling of 2002011001212 in words is "two trillion, two billion, eleven million, one thousand, two hundred twelve".