47031212 has 6 divisors (see below), whose sum is σ = 82304628. Its totient is φ = 23515604.

The previous prime is 47031209. The next prime is 47031217. The reversal of 47031212 is 21213074.

It is not an unprimeable number, because it can be changed into a prime (47031217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5878898 + ... + 5878905.

It is an arithmetic number, because the mean of its divisors is an integer number (13717438).

Almost surely, 2^47031212 is an apocalyptic number.

It is an amenable number.

47031212 is a deficient number, since it is larger than the sum of its proper divisors (35273416).

47031212 is a wasteful number, since it uses less digits than its factorization.

47031212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11757807 (or 11757805 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 47031212 is about 6857.9305916581. The cubic root of 47031212 is about 360.9624759252.

Adding to 47031212 its reverse (21213074), we get a palindrome (68244286).

The spelling of 47031212 in words is "forty-seven million, thirty-one thousand, two hundred twelve".