11215343212 has 6 divisors (see below), whose sum is σ = 19626850628. Its totient is φ = 5607671604.

The previous prime is 11215343147. The next prime is 11215343221. The reversal of 11215343212 is 21234351211.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1401917898 + ... + 1401917905.

Almost surely, 2^11215343212 is an apocalyptic number.

It is an amenable number.

11215343212 is a deficient number, since it is larger than the sum of its proper divisors (8411507416).

11215343212 is a wasteful number, since it uses less digits than its factorization.

11215343212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803835807 (or 2803835805 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

Adding to 11215343212 its reverse (21234351211), we get a palindrome (32449694423).

The spelling of 11215343212 in words is "eleven billion, two hundred fifteen million, three hundred forty-three thousand, two hundred twelve".