212112031229 has 4 divisors (see below), whose sum is σ = 242413749984. Its totient is φ = 181810312476.

The previous prime is 212112031213. The next prime is 212112031231. The reversal of 212112031229 is 922130211212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212112031229 - 2⁴ = 212112031213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212112031198 and 212112031207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212112031249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15150859367 + ... + 15150859380.

It is an arithmetic number, because the mean of its divisors is an integer number (60603437496).

Almost surely, 2^212112031229 is an apocalyptic number.

It is an amenable number.

212112031229 is a deficient number, since it is larger than the sum of its proper divisors (30301718755).

212112031229 is an equidigital number, since it uses as much as digits as its factorization.

212112031229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30301718754.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 212112031229 in words is "two hundred twelve billion, one hundred twelve million, thirty-one thousand, two hundred twenty-nine".