1202121212 has 6 divisors (see below), whose sum is σ = 2103712128. Its totient is φ = 601060604.

The previous prime is 1202121191. The next prime is 1202121257. The reversal of 1202121212 is 2121212021.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 150265148 + ... + 150265155.

It is an arithmetic number, because the mean of its divisors is an integer number (350618688).

Almost surely, 2^1202121212 is an apocalyptic number.

It is an amenable number.

1202121212 is a deficient number, since it is larger than the sum of its proper divisors (901590916).

1202121212 is a wasteful number, since it uses less digits than its factorization.

1202121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300530307 (or 300530305 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1202121212 is about 34671.6196910384. The cubic root of 1202121212 is about 1063.2843461893.

Adding to 1202121212 its reverse (2121212021), we get a palindrome (3323333233).

It can be divided in two parts, 12021 and 21212, that multiplied together give a palindrome (254989452).

The spelling of 1202121212 in words is "one billion, two hundred two million, one hundred twenty-one thousand, two hundred twelve".