2002012012312 has 64 divisors (see below), whose sum is σ = 4124639484000. Its totient is φ = 905424998400.

The previous prime is 2002012012303. The next prime is 2002012012321. The reversal of 2002012012312 is 2132102102002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2002012012303) and next prime (2002012012321).

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, 36439 + ... + 2001337.

Almost surely, 2^{2002012012312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2002012012312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2062319742000).

2002012012312 is an abundant number, since it is smaller than the sum of its proper divisors (2122627471688).

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

2002012012312 is a wasteful number, since it uses less digits than its factorization.

2002012012312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1965116 (or 1965112 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2002012012312 its reverse (2132102102002), we get a palindrome (4134114114314).

The spelling of 2002012012312 in words is "two trillion, two billion, twelve million, twelve thousand, three hundred twelve".