505212150142 has 8 divisors (see below), whose sum is σ = 866077971696. Its totient is φ = 216519492912.

The previous prime is 505212150139. The next prime is 505212150143. The reversal of 505212150142 is 241051212505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×505212150142² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 505212150142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505212150143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18043291063 + ... + 18043291090.

It is an arithmetic number, because the mean of its divisors is an integer number (108259746462).

Almost surely, 2^505212150142 is an apocalyptic number.

505212150142 is a deficient number, since it is larger than the sum of its proper divisors (360865821554).

505212150142 is a wasteful number, since it uses less digits than its factorization.

505212150142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36086582162.

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 505212150142 its reverse (241051212505), we get a palindrome (746263362647).

The spelling of 505212150142 in words is "five hundred five billion, two hundred twelve million, one hundred fifty thousand, one hundred forty-two".