212140474766 has 8 divisors (see below), whose sum is σ = 347138958744. Its totient is φ = 96427488520.

The previous prime is 212140474739. The next prime is 212140474783. The reversal of 212140474766 is 667474041212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×212140474766³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 4821374405 + ... + 4821374448.

It is an arithmetic number, because the mean of its divisors is an integer number (43392369843).

Almost surely, 2^212140474766 is an apocalyptic number.

212140474766 is a deficient number, since it is larger than the sum of its proper divisors (134998483978).

212140474766 is a wasteful number, since it uses less digits than its factorization.

212140474766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9642748866.

The product of its (nonzero) digits is 451584, while the sum is 44.

The spelling of 212140474766 in words is "two hundred twelve billion, one hundred forty million, four hundred seventy-four thousand, seven hundred sixty-six".