50131212 has 24 divisors (see below), whose sum is σ = 118069056. Its totient is φ = 16553808.

The previous prime is 50131201. The next prime is 50131223. The reversal of 50131212 is 21213105.

It is an interprime number because it is at equal distance from previous prime (50131201) and next prime (50131223).

It is a junction number, because it is equal to n+sod(n) for n = 50131191 and 50131200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18238 + ... + 20805.

It is an arithmetic number, because the mean of its divisors is an integer number (4919544).

Almost surely, 2^50131212 is an apocalyptic number.

It is an amenable number.

50131212 is an abundant number, since it is smaller than the sum of its proper divisors (67937844).

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

50131212 is a wasteful number, since it uses less digits than its factorization.

50131212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39157 (or 39155 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 50131212 is about 7080.3398223532. The cubic root of 50131212 is about 368.7251278063.

Adding to 50131212 its reverse (21213105), we get a palindrome (71344317).

It can be divided in two parts, 501 and 31212, that added together give a palindrome (31713).

The spelling of 50131212 in words is "fifty million, one hundred thirty-one thousand, two hundred twelve".