212436156011 has 16 divisors (see below), whose sum is σ = 217469091840. Its totient is φ = 207425227680.

The previous prime is 212436155969. The next prime is 212436156043. The reversal of 212436156011 is 110651634212.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212436156011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212436156091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43699721 + ... + 43704581.

It is an arithmetic number, because the mean of its divisors is an integer number (13591818240).

Almost surely, 2^212436156011 is an apocalyptic number.

212436156011 is a deficient number, since it is larger than the sum of its proper divisors (5032935829).

212436156011 is a wasteful number, since it uses less digits than its factorization.

212436156011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6914.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 212436156011 in words is "two hundred twelve billion, four hundred thirty-six million, one hundred fifty-six thousand, eleven".