1020430012 has 12 divisors (see below), whose sum is σ = 2040860080. Its totient is φ = 437327136.

The previous prime is 1020430001. The next prime is 1020430027. The reversal of 1020430012 is 2100340201.

1020430012 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1020429974 and 1020430001.

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, 18221937 + ... + 18221992.

Almost surely, 2^1020430012 is an apocalyptic number.

It is an amenable number.

1020430012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1020430012 is a wasteful number, since it uses less digits than its factorization.

1020430012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36443940 (or 36443938 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1020430012 is about 31944.1702349584. The cubic root of 1020430012 is about 1006.7641471518.

Adding to 1020430012 its reverse (2100340201), we get a palindrome (3120770213).

The spelling of 1020430012 in words is "one billion, twenty million, four hundred thirty thousand, twelve".