212012161426 has 64 divisors (see below), whose sum is σ = 368479964160. Its totient is φ = 90721350720.

The previous prime is 212012161367. The next prime is 212012161477. The reversal of 212012161426 is 624161210212.

212012161426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 212012161394 and 212012161403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3337065 + ... + 3400003.

It is an arithmetic number, because the mean of its divisors is an integer number (5757499440).

Almost surely, 2^212012161426 is an apocalyptic number.

212012161426 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

212012161426 is a deficient number, since it is larger than the sum of its proper divisors (156467802734).

212012161426 is a wasteful number, since it uses less digits than its factorization.

212012161426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63151.

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 212012161426 its reverse (624161210212), we get a palindrome (836173371638).

The spelling of 212012161426 in words is "two hundred twelve billion, twelve million, one hundred sixty-one thousand, four hundred twenty-six".