898765654543212 has 24 divisors (see below), whose sum is σ = 2109985626621376. Its totient is φ = 297750584940048.

The previous prime is 898765654543189. The next prime is 898765654543231. The reversal of 898765654543212 is 212345456567898.

898765654543212 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a Smith number, since the sum of its digits (75) coincides with the sum of the digits of its prime factors.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is an upside-down number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229745819758 + ... + 229745823669.

Almost surely, 2^{898765654543212} is an apocalyptic number.

It is an amenable number.

898765654543212 is an abundant number, since it is smaller than the sum of its proper divisors (1211219972078164).

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

898765654543212 is a wasteful number, since it uses less digits than its factorization.

898765654543212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459491643597 (or 459491643595 counting only the distinct ones).

The product of its digits is 3483648000, while the sum is 75.

The spelling of 898765654543212 in words is "eight hundred ninety-eight trillion, seven hundred sixty-five billion, six hundred fifty-four million, five hundred forty-three thousand, two hundred twelve".