212123030132011 has 16 divisors (see below), whose sum is σ = 227310072601248. Its totient is φ = 197237079155200.

The previous prime is 212123030132003. The next prime is 212123030132023. The reversal of 212123030132011 is 110231030321212.

It is a cyclic number.

It is not a de Polignac number, because 212123030132011 - 2³ = 212123030132003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212123030132051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103428141 + ... + 105459121.

It is an arithmetic number, because the mean of its divisors is an integer number (14206879537578).

Almost surely, 2^{212123030132011} is an apocalyptic number.

212123030132011 is a deficient number, since it is larger than the sum of its proper divisors (15187042469237).

212123030132011 is a wasteful number, since it uses less digits than its factorization.

212123030132011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105102.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 212123030132011 its reverse (110231030321212), we get a palindrome (322354060453223).

The spelling of 212123030132011 in words is "two hundred twelve trillion, one hundred twenty-three billion, thirty million, one hundred thirty-two thousand, eleven".