1002211021212 has 48 divisors (see below), whose sum is σ = 2341815289632. Its totient is φ = 333595863040.

The previous prime is 1002211021187. The next prime is 1002211021219. The reversal of 1002211021212 is 2121201122001.

1002211021212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1002211021191 and 1002211021200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002211021219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43682608 + ... + 43705544.

It is an arithmetic number, because the mean of its divisors is an integer number (48787818534).

Almost surely, 2^{1002211021212} is an apocalyptic number.

1002211021212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1002211021212 is an abundant number, since it is smaller than the sum of its proper divisors (1339604268420).

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

1002211021212 is a wasteful number, since it uses less digits than its factorization.

1002211021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27958 (or 27956 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1002211021212 its reverse (2121201122001), we get a palindrome (3123412143213).

The spelling of 1002211021212 in words is "one trillion, two billion, two hundred eleven million, twenty-one thousand, two hundred twelve".