212043474064 has 10 divisors (see below), whose sum is σ = 410834231030. Its totient is φ = 106021737024.

The previous prime is 212043474059. The next prime is 212043474121. The reversal of 212043474064 is 460474340212.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 158330776464 + 53712697600 = 397908^2 + 231760^2 .

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 as a sum of consecutive naturals, namely, 6626358549 + ... + 6626358580.

It is an arithmetic number, because the mean of its divisors is an integer number (41083423103).

Almost surely, 2^212043474064 is an apocalyptic number.

It is an amenable number.

212043474064 is a deficient number, since it is larger than the sum of its proper divisors (198790756966).

212043474064 is a wasteful number, since it uses less digits than its factorization.

212043474064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13252717137 (or 13252717131 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 37.

The spelling of 212043474064 in words is "two hundred twelve billion, forty-three million, four hundred seventy-four thousand, sixty-four".