11000311212 has 48 divisors (see below), whose sum is σ = 29474524800. Its totient is φ = 3157983360.

The previous prime is 11000311199. The next prime is 11000311241. The reversal of 11000311212 is 21211300011.

It is a super-3 number, since 3×11000311212³ (a number of 31 digits) contains 333 as substring.

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 15 ways as a sum of consecutive naturals, for example, 2190537 + ... + 2195552.

It is an arithmetic number, because the mean of its divisors is an integer number (614052600).

Almost surely, 2^11000311212 is an apocalyptic number.

11000311212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11000311212 is an abundant number, since it is smaller than the sum of its proper divisors (18474213588).

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

11000311212 is a wasteful number, since it uses less digits than its factorization.

11000311212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4386126 (or 4386124 counting only the distinct ones).

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

Adding to 11000311212 its reverse (21211300011), we get a palindrome (32211611223).

The spelling of 11000311212 in words is "eleven billion, three hundred eleven thousand, two hundred twelve".