11001211212212 has 48 divisors (see below), whose sum is σ = 20757781564800. Its totient is φ = 5071428309888.

The previous prime is 11001211212119. The next prime is 11001211212223. The reversal of 11001211212212 is 21221211210011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240372443 + ... + 240418205.

It is an arithmetic number, because the mean of its divisors is an integer number (432453782600).

Almost surely, 2^{11001211212212} is an apocalyptic number.

It is an amenable number.

11001211212212 is a deficient number, since it is larger than the sum of its proper divisors (9756570352588).

11001211212212 is a wasteful number, since it uses less digits than its factorization.

11001211212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51192 (or 51190 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11001211212212 its reverse (21221211210011), we get a palindrome (32222422422223).

The spelling of 11001211212212 in words is "eleven trillion, one billion, two hundred eleven million, two hundred twelve thousand, two hundred twelve".