1021202030212 has 48 divisors (see below), whose sum is σ = 2200300641280. Its totient is φ = 403847171712.

The previous prime is 1021202030207. The next prime is 1021202030281. The reversal of 1021202030212 is 2120302021201.

It is a happy number.

It is a super-2 number, since 2×1021202030212² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 516589 + ... + 1519627.

Almost surely, 2^{1021202030212} is an apocalyptic number.

It is an amenable number.

1021202030212 is an abundant number, since it is smaller than the sum of its proper divisors (1179098611068).

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

1021202030212 is a wasteful number, since it uses less digits than its factorization.

1021202030212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005860 (or 1005858 counting only the distinct ones).

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

Adding to 1021202030212 its reverse (2120302021201), we get a palindrome (3141504051413).

The spelling of 1021202030212 in words is "one trillion, twenty-one billion, two hundred two million, thirty thousand, two hundred twelve".