1020041012 has 48 divisors (see below), whose sum is σ = 1940991360. Its totient is φ = 467897472.

The previous prime is 1020040999. The next prime is 1020041017. The reversal of 1020041012 is 2101400201.

It is a junction number, because it is equal to n+sod(n) for n = 1020040984 and 1020041002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020041017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181793 + ... + 187319.

It is an arithmetic number, because the mean of its divisors is an integer number (40437320).

Almost surely, 2^1020041012 is an apocalyptic number.

It is an amenable number.

1020041012 is a deficient number, since it is larger than the sum of its proper divisors (920950348).

1020041012 is a wasteful number, since it uses less digits than its factorization.

1020041012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5640 (or 5638 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1020041012 is about 31938.0809066544. The cubic root of 1020041012 is about 1006.6362007553.

Adding to 1020041012 its reverse (2101400201), we get a palindrome (3121441213).

The spelling of 1020041012 in words is "one billion, twenty million, forty-one thousand, twelve".