511201004212 has 24 divisors (see below), whose sum is σ = 904810435200. Its totient is φ = 252684734016.

The previous prime is 511201004207. The next prime is 511201004213. The reversal of 511201004212 is 212400102115.

It is a super-2 number, since 2×511201004212² (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 511201004212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511201004213) 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, 1979839 + ... + 2223097.

It is an arithmetic number, because the mean of its divisors is an integer number (37700434800).

Almost surely, 2^511201004212 is an apocalyptic number.

It is an amenable number.

511201004212 is a deficient number, since it is larger than the sum of its proper divisors (393609430988).

511201004212 is a wasteful number, since it uses less digits than its factorization.

511201004212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249255 (or 249253 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 511201004212 its reverse (212400102115), we get a palindrome (723601106327).

The spelling of 511201004212 in words is "five hundred eleven billion, two hundred one million, four thousand, two hundred twelve".