47121612 has 48 divisors (see below), whose sum is σ = 114250752. Its totient is φ = 15099840.

The previous prime is 47121601. The next prime is 47121629. The reversal of 47121612 is 21612174.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72963 + ... + 73605.

It is an arithmetic number, because the mean of its divisors is an integer number (2380224).

Almost surely, 2^47121612 is an apocalyptic number.

It is an amenable number.

47121612 is an abundant number, since it is smaller than the sum of its proper divisors (67129140).

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

47121612 is a wasteful number, since it uses less digits than its factorization.

47121612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878 (or 876 counting only the distinct ones).

The product of its digits is 672, while the sum is 24.

The square root of 47121612 is about 6864.5183370722. The cubic root of 47121612 is about 361.1935999082.

Adding to 47121612 its reverse (21612174), we get a palindrome (68733786).

The spelling of 47121612 in words is "forty-seven million, one hundred twenty-one thousand, six hundred twelve".