2003101021212 has 24 divisors (see below), whose sum is σ = 4948837817616. Its totient is φ = 628423849728.

The previous prime is 2003101021193. The next prime is 2003101021217. The reversal of 2003101021212 is 2121201013002.

It is a junction number, because it is equal to n+sod(n) for n = 2003101021191 and 2003101021200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003101021217) 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, 4909561123 + ... + 4909561530.

It is an arithmetic number, because the mean of its divisors is an integer number (206201575734).

Almost surely, 2^{2003101021212} is an apocalyptic number.

It is an amenable number.

2003101021212 is an abundant number, since it is smaller than the sum of its proper divisors (2945736796404).

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

2003101021212 is a wasteful number, since it uses less digits than its factorization.

2003101021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9819122677 (or 9819122675 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2003101021212 its reverse (2121201013002), we get a palindrome (4124302034214).

The spelling of 2003101021212 in words is "two trillion, three billion, one hundred one million, twenty-one thousand, two hundred twelve".