1521141212 has 6 divisors (see below), whose sum is σ = 2661997128. Its totient is φ = 760570604.

The previous prime is 1521141191. The next prime is 1521141221. The reversal of 1521141212 is 2121411251.

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 as a sum of consecutive naturals, namely, 190142648 + ... + 190142655.

It is an arithmetic number, because the mean of its divisors is an integer number (443666188).

Almost surely, 2^1521141212 is an apocalyptic number.

It is an amenable number.

1521141212 is a deficient number, since it is larger than the sum of its proper divisors (1140855916).

1521141212 is a wasteful number, since it uses less digits than its factorization.

1521141212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380285307 (or 380285305 counting only the distinct ones).

The product of its digits is 160, while the sum is 20.

The square root of 1521141212 is about 39001.8103682380. The cubic root of 1521141212 is about 1150.0670942581.

Adding to 1521141212 its reverse (2121411251), we get a palindrome (3642552463).

The spelling of 1521141212 in words is "one billion, five hundred twenty-one million, one hundred forty-one thousand, two hundred twelve".