11010211212 has 288 divisors, whose sum is σ = 36068578560. Its totient is φ = 2567738880.

The previous prime is 11010211153. The next prime is 11010211229. The reversal of 11010211212 is 21211201011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3109339 + ... + 3112877.

It is an arithmetic number, because the mean of its divisors is an integer number (125238120).

Almost surely, 2^11010211212 is an apocalyptic number.

11010211212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11010211212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18034289280).

11010211212 is an abundant number, since it is smaller than the sum of its proper divisors (25058367348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11010211212 is a wasteful number, since it uses less digits than its factorization.

11010211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3621 (or 3612 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11010211212 its reverse (21211201011), we get a palindrome (32221412223).

It can be divided in two parts, 11010 and 211212, that added together give a palindrome (222222).

The spelling of 11010211212 in words is "eleven billion, ten million, two hundred eleven thousand, two hundred twelve".