49999212 has 36 divisors (see below), whose sum is σ = 126647976. Its totient is φ = 16632000.

The previous prime is 49999207. The next prime is 49999231. The reversal of 49999212 is 21299994.

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

It is a super-3 number, since 3×49999212³ (a number of 24 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21087 + ... + 23337.

Almost surely, 2^49999212 is an apocalyptic number.

It is an amenable number.

49999212 is an abundant number, since it is smaller than the sum of its proper divisors (76648764).

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

49999212 is a wasteful number, since it uses less digits than its factorization.

49999212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2878 (or 2873 counting only the distinct ones).

The product of its digits is 104976, while the sum is 45.

The square root of 49999212 is about 7071.0120916316. The cubic root of 49999212 is about 368.4012145093.

The spelling of 49999212 in words is "forty-nine million, nine hundred ninety-nine thousand, two hundred twelve".