11001312212 has 24 divisors (see below), whose sum is σ = 21037501632. Its totient is φ = 4992264000.

The previous prime is 11001312199. The next prime is 11001312247. The reversal of 11001312212 is 21221310011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181568 + ... + 234455.

It is an arithmetic number, because the mean of its divisors is an integer number (876562568).

Almost surely, 2^11001312212 is an apocalyptic number.

It is an amenable number.

11001312212 is a deficient number, since it is larger than the sum of its proper divisors (10036189420).

11001312212 is a wasteful number, since it uses less digits than its factorization.

11001312212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416639 (or 416637 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11001312212 its reverse (21221310011), we get a palindrome (32222622223).

The spelling of 11001312212 in words is "eleven billion, one million, three hundred twelve thousand, two hundred twelve".