47211012 has 36 divisors (see below), whose sum is σ = 123761456. Its totient is φ = 15736680.

The previous prime is 47211007. The next prime is 47211037. The reversal of 47211012 is 21011274.

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 an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23314 + ... + 25257.

Almost surely, 2^47211012 is an apocalyptic number.

It is an amenable number.

47211012 is an abundant number, since it is smaller than the sum of its proper divisors (76550444).

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

47211012 is a wasteful number, since it uses less digits than its factorization.

47211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48590 (or 48576 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 47211012 is about 6871.0269974728. The cubic root of 47211012 is about 361.4218766805.

Adding to 47211012 its reverse (21011274), we get a palindrome (68222286).

The spelling of 47211012 in words is "forty-seven million, two hundred eleven thousand, twelve".