1020210012 has 48 divisors (see below), whose sum is σ = 2701278720. Its totient is φ = 332832816.

The previous prime is 1020209987. The next prime is 1020210019. The reversal of 1020210012 is 2100120201.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1020209976 and 1020210003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020210019) 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, 95418 + ... + 105569.

It is an arithmetic number, because the mean of its divisors is an integer number (56276640).

Almost surely, 2^1020210012 is an apocalyptic number.

1020210012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1020210012 is an abundant number, since it is smaller than the sum of its proper divisors (1681068708).

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

1020210012 is a wasteful number, since it uses less digits than its factorization.

1020210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201047 (or 201039 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1020210012 is about 31940.7265415175. The cubic root of 1020210012 is about 1006.6917907174.

Adding to 1020210012 its reverse (2100120201), we get a palindrome (3120330213).

The spelling of 1020210012 in words is "one billion, twenty million, two hundred ten thousand, twelve".