2002121001012 has 24 divisors (see below), whose sum is σ = 5096308002912. Its totient is φ = 606703333600.

The previous prime is 2002121001011. The next prime is 2002121001019. The reversal of 2002121001012 is 2101001212002.

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 (2002121001011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7583791539 + ... + 7583791802.

It is an arithmetic number, because the mean of its divisors is an integer number (212346166788).

Almost surely, 2^{2002121001012} is an apocalyptic number.

2002121001012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2002121001012 is an abundant number, since it is smaller than the sum of its proper divisors (3094187001900).

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

2002121001012 is a wasteful number, since it uses less digits than its factorization.

2002121001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15167583359 (or 15167583357 counting only the distinct ones).

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

Adding to 2002121001012 its reverse (2101001212002), we get a palindrome (4103122213014).

It can be divided in two parts, 200 and 2121001012, that added together give a palindrome (2121001212).

The spelling of 2002121001012 in words is "two trillion, two billion, one hundred twenty-one million, one thousand, twelve".