11420211212 has 24 divisors (see below), whose sum is σ = 21041879040. Its totient is φ = 5408378640.

The previous prime is 11420211203. The next prime is 11420211233. The reversal of 11420211212 is 21211202411.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397037 + ... + 424827.

It is an arithmetic number, because the mean of its divisors is an integer number (876744960).

Almost surely, 2^11420211212 is an apocalyptic number.

It is an amenable number.

11420211212 is a deficient number, since it is larger than the sum of its proper divisors (9621667828).

11420211212 is a wasteful number, since it uses less digits than its factorization.

11420211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33221 (or 33219 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11420211212 its reverse (21211202411), we get a palindrome (32631413623).

The spelling of 11420211212 in words is "eleven billion, four hundred twenty million, two hundred eleven thousand, two hundred twelve".