1020201212 has 36 divisors (see below), whose sum is σ = 1909601400. Its totient is φ = 476792064.

The previous prime is 1020201197. The next prime is 1020201253. The reversal of 1020201212 is 2121020201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1020201193 and 1020201202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169283 + ... + 175205.

Almost surely, 2^1020201212 is an apocalyptic number.

It is an amenable number.

1020201212 is a deficient number, since it is larger than the sum of its proper divisors (889400188).

1020201212 is a wasteful number, since it uses less digits than its factorization.

1020201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6110 (or 6091 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1020201212 is about 31940.5887860572. The cubic root of 1020201212 is about 1006.6888962437.

Adding to 1020201212 its reverse (2121020201), we get a palindrome (3141221413).

It can be divided in two parts, 1020201 and 212, that multiplied together give a palindrome (216282612).

The spelling of 1020201212 in words is "one billion, twenty million, two hundred one thousand, two hundred twelve".