94139637212 has 24 divisors (see below), whose sum is σ = 173726537040. Its totient is φ = 44512381440.

The previous prime is 94139637211. The next prime is 94139637239. The reversal of 94139637212 is 21273693149.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94139637211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1069589 + ... + 1154252.

It is an arithmetic number, because the mean of its divisors is an integer number (7238605710).

Almost surely, 2^94139637212 is an apocalyptic number.

It is an amenable number.

94139637212 is a deficient number, since it is larger than the sum of its proper divisors (79586899828).

94139637212 is a wasteful number, since it uses less digits than its factorization.

94139637212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224421 (or 2224419 counting only the distinct ones).

The product of its digits is 489888, while the sum is 47.

The spelling of 94139637212 in words is "ninety-four billion, one hundred thirty-nine million, six hundred thirty-seven thousand, two hundred twelve".