11212031229 has 8 divisors (see below), whose sum is σ = 17085000000. Its totient is φ = 6406874976.

The previous prime is 11212031213. The next prime is 11212031291. The reversal of 11212031229 is 92213021211.

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

It is not a de Polignac number, because 11212031229 - 2⁴ = 11212031213 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11212031199 and 11212031208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212031209) 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, 266953104 + ... + 266953145.

It is an arithmetic number, because the mean of its divisors is an integer number (2135625000).

Almost surely, 2^11212031229 is an apocalyptic number.

It is an amenable number.

11212031229 is a deficient number, since it is larger than the sum of its proper divisors (5872968771).

11212031229 is an equidigital number, since it uses as much as digits as its factorization.

11212031229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533906259.

The product of its (nonzero) digits is 432, while the sum is 24.

The spelling of 11212031229 in words is "eleven billion, two hundred twelve million, thirty-one thousand, two hundred twenty-nine".