912001212 has 36 divisors (see below), whose sum is σ = 2361567936. Its totient is φ = 296585280.

The previous prime is 912001199. The next prime is 912001213. The reversal of 912001212 is 212100219.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (912001213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 307468 + ... + 310419.

Almost surely, 2^912001212 is an apocalyptic number.

It is an amenable number.

912001212 is an abundant number, since it is smaller than the sum of its proper divisors (1449566724).

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

912001212 is a wasteful number, since it uses less digits than its factorization.

912001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617938 (or 617933 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 912001212 is about 30199.3578077415. The cubic root of 912001212 is about 969.7619467551.

The spelling of 912001212 in words is "nine hundred twelve million, one thousand, two hundred twelve".