212849030156 has 12 divisors (see below), whose sum is σ = 425698060368. Its totient is φ = 91221012912.

The previous prime is 212849030137. The next prime is 212849030171. The reversal of 212849030156 is 651030948212.

212849030156 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3800875511 + ... + 3800875566.

It is an arithmetic number, because the mean of its divisors is an integer number (35474838364).

Almost surely, 2^212849030156 is an apocalyptic number.

It is an amenable number.

212849030156 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212849030156 is a wasteful number, since it uses less digits than its factorization.

212849030156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7601751088 (or 7601751086 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

Adding to 212849030156 its reverse (651030948212), we get a palindrome (863879978368).

The spelling of 212849030156 in words is "two hundred twelve billion, eight hundred forty-nine million, thirty thousand, one hundred fifty-six".