1002021101212 has 12 divisors (see below), whose sum is σ = 1754031323800. Its totient is φ = 500869294416.

The previous prime is 1002021101209. The next prime is 1002021101219. The reversal of 1002021101212 is 2121011202001.

It is a junction number, because it is equal to n+sod(n) for n = 1002021101192 and 1002021101201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002021101219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35298087 + ... + 35326462.

Almost surely, 2^{1002021101212} is an apocalyptic number.

It is an amenable number.

1002021101212 is a deficient number, since it is larger than the sum of its proper divisors (752010222588).

1002021101212 is a wasteful number, since it uses less digits than its factorization.

1002021101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70628100 (or 70628098 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1002021101212 its reverse (2121011202001), we get a palindrome (3123032303213).

The spelling of 1002021101212 in words is "one trillion, two billion, twenty-one million, one hundred one thousand, two hundred twelve".