11212973149 has 8 divisors (see below), whose sum is σ = 12844562688. Its totient is φ = 9588817680.

The previous prime is 11212973137. The next prime is 11212973153. The reversal of 11212973149 is 94137921211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11212973149 - 2⁷ = 11212973021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212973449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1855282 + ... + 1861315.

It is an arithmetic number, because the mean of its divisors is an integer number (1605570336).

Almost surely, 2^11212973149 is an apocalyptic number.

It is an amenable number.

11212973149 is a deficient number, since it is larger than the sum of its proper divisors (1631589539).

11212973149 is an equidigital number, since it uses as much as digits as its factorization.

11212973149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3717035.

The product of its digits is 27216, while the sum is 40.

The spelling of 11212973149 in words is "eleven billion, two hundred twelve million, nine hundred seventy-three thousand, one hundred forty-nine".