511440442212412 has 12 divisors (see below), whose sum is σ = 916850548844496. Its totient is φ = 249483142542560.

The previous prime is 511440442212397. The next prime is 511440442212493. The reversal of 511440442212412 is 214212244044115.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1559269640728 + ... + 1559269641055.

It is an arithmetic number, because the mean of its divisors is an integer number (76404212403708).

Almost surely, 2^{511440442212412} is an apocalyptic number.

It is an amenable number.

511440442212412 is a deficient number, since it is larger than the sum of its proper divisors (405410106632084).

511440442212412 is a wasteful number, since it uses less digits than its factorization.

511440442212412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3118539281828 (or 3118539281826 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 37.

Adding to 511440442212412 its reverse (214212244044115), we get a palindrome (725652686256527).

The spelling of 511440442212412 in words is "five hundred eleven trillion, four hundred forty billion, four hundred forty-two million, two hundred twelve thousand, four hundred twelve".