212747681074 has 8 divisors (see below), whose sum is σ = 319123549548. Its totient is φ = 106373164560.

The previous prime is 212747681039. The next prime is 212747681089. The reversal of 212747681074 is 470186747212.

212747681074 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 212745105049 + 2576025 = 461243^2 + 1605^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285304 + ... + 711964.

Almost surely, 2^212747681074 is an apocalyptic number.

212747681074 is a deficient number, since it is larger than the sum of its proper divisors (106375868474).

212747681074 is a wasteful number, since it uses less digits than its factorization.

212747681074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675980.

The product of its (nonzero) digits is 1053696, while the sum is 49.

The spelling of 212747681074 in words is "two hundred twelve billion, seven hundred forty-seven million, six hundred eighty-one thousand, seventy-four".