511032421012 has 6 divisors (see below), whose sum is σ = 894306736778. Its totient is φ = 255516210504.

The previous prime is 511032420973. The next prime is 511032421027. The reversal of 511032421012 is 210124230115.

It can be written as a sum of positive squares in only one way, i.e., 281922769296 + 229109651716 = 530964^2 + 478654^2 .

It is a super-2 number, since 2×511032421012² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63879052623 + ... + 63879052630.

Almost surely, 2^511032421012 is an apocalyptic number.

It is an amenable number.

511032421012 is a deficient number, since it is larger than the sum of its proper divisors (383274315766).

511032421012 is a wasteful number, since it uses less digits than its factorization.

511032421012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127758105257 (or 127758105255 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 511032421012 its reverse (210124230115), we get a palindrome (721156651127).

The spelling of 511032421012 in words is "five hundred eleven billion, thirty-two million, four hundred twenty-one thousand, twelve".