212541074128 has 10 divisors (see below), whose sum is σ = 411798331154. Its totient is φ = 106270537056.

The previous prime is 212541074089. The next prime is 212541074183. The reversal of 212541074128 is 821470145212.

It can be written as a sum of positive squares in only one way, i.e., 170067161664 + 42473912464 = 412392^2 + 206092^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6641908551 + ... + 6641908582.

Almost surely, 2^212541074128 is an apocalyptic number.

It is an amenable number.

212541074128 is a deficient number, since it is larger than the sum of its proper divisors (199257257026).

212541074128 is a wasteful number, since it uses less digits than its factorization.

212541074128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13283817141 (or 13283817135 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 37.

The spelling of 212541074128 in words is "two hundred twelve billion, five hundred forty-one million, seventy-four thousand, one hundred twenty-eight".