212860431796 has 12 divisors (see below), whose sum is σ = 372987657252. Its totient is φ = 106292529728.

The previous prime is 212860431769. The next prime is 212860431851. The reversal of 212860431796 is 697134068212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 32374804900 + 180485626896 = 179930^2 + 424836^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34418065 + ... + 34424248.

It is an arithmetic number, because the mean of its divisors is an integer number (31082304771).

Almost surely, 2^212860431796 is an apocalyptic number.

It is an amenable number.

212860431796 is a deficient number, since it is larger than the sum of its proper divisors (160127225456).

212860431796 is a wasteful number, since it uses less digits than its factorization.

212860431796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68843090 (or 68843088 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 212860431796 in words is "two hundred twelve billion, eight hundred sixty million, four hundred thirty-one thousand, seven hundred ninety-six".