212083155464 has 16 divisors (see below), whose sum is σ = 397673822700. Its totient is φ = 106036802752.

The previous prime is 212083155443. The next prime is 212083155481. The reversal of 212083155464 is 464551380212.

It can be written as a sum of positive squares in 2 ways, for example, as 205036896100 + 7046259364 = 452810^2 + 83942^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404459 + ... + 766650.

Almost surely, 2^212083155464 is an apocalyptic number.

It is an amenable number.

212083155464 is a deficient number, since it is larger than the sum of its proper divisors (185590667236).

212083155464 is a wasteful number, since it uses less digits than its factorization.

212083155464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193752 (or 1193748 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 212083155464 in words is "two hundred twelve billion, eighty-three million, one hundred fifty-five thousand, four hundred sixty-four".