212235362505612 has 72 divisors (see below), whose sum is σ = 537178214300000. Its totient is φ = 70653609980928.

The previous prime is 212235362505599. The next prime is 212235362505643. The reversal of 212235362505612 is 216505263532212.

212235362505612 is a `hidden beast` number, since 2 + 1 + 2 + 2 + 3 + 5 + 3 + 6 + 25 + 0 + 5 + 612 = 666.

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 23 ways as a sum of consecutive naturals, for example, 90068793 + ... + 92395119.

Almost surely, 2^{212235362505612} is an apocalyptic number.

It is an amenable number.

212235362505612 is an abundant number, since it is smaller than the sum of its proper divisors (324942851794388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212235362505612 is a wasteful number, since it uses less digits than its factorization.

212235362505612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2329615 (or 2329610 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The spelling of 212235362505612 in words is "two hundred twelve trillion, two hundred thirty-five billion, three hundred sixty-two million, five hundred five thousand, six hundred twelve".