11322661212 has 18 divisors (see below), whose sum is σ = 28621171488. Its totient is φ = 3774220392.

The previous prime is 11322661211. The next prime is 11322661219. The reversal of 11322661212 is 21216622311.

11322661212 is a `hidden beast` number, since 1 + 1 + 32 + 2 + 6 + 612 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11322661211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 157259148 + ... + 157259219.

Almost surely, 2^11322661212 is an apocalyptic number.

11322661212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11322661212 is an abundant number, since it is smaller than the sum of its proper divisors (17298510276).

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

11322661212 is a wasteful number, since it uses less digits than its factorization.

11322661212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314518377 (or 314518372 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The spelling of 11322661212 in words is "eleven billion, three hundred twenty-two million, six hundred sixty-one thousand, two hundred twelve".