501241212 has 36 divisors (see below), whose sum is σ = 1269189376. Its totient is φ = 166795200.

The previous prime is 501241211. The next prime is 501241241. The reversal of 501241212 is 212142105.

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

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501241211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10053 + ... + 33219.

Almost surely, 2^501241212 is an apocalyptic number.

It is an amenable number.

501241212 is an abundant number, since it is smaller than the sum of its proper divisors (767948164).

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

501241212 is a wasteful number, since it uses less digits than its factorization.

501241212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23778 (or 23773 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 501241212 is about 22388.4169158965. The cubic root of 501241212 is about 794.3567503524.

Adding to 501241212 its reverse (212142105), we get a palindrome (713383317).

The spelling of 501241212 in words is "five hundred one million, two hundred forty-one thousand, two hundred twelve".