1020231012 has 48 divisors (see below), whose sum is σ = 2405491200. Its totient is φ = 336530688.

The previous prime is 1020230993. The next prime is 1020231041. The reversal of 1020231012 is 2101320201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 558733 + ... + 560555.

It is an arithmetic number, because the mean of its divisors is an integer number (50114400).

Almost surely, 2^1020231012 is an apocalyptic number.

1020231012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1020231012 is an abundant number, since it is smaller than the sum of its proper divisors (1385260188).

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

1020231012 is a wasteful number, since it uses less digits than its factorization.

1020231012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2292 (or 2290 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1020231012 is about 31941.0552737382. The cubic root of 1020231012 is about 1006.6986979170.

Adding to 1020231012 its reverse (2101320201), we get a palindrome (3121551213).

It can be divided in two parts, 10202 and 31012, that added together give a palindrome (41214).

The spelling of 1020231012 in words is "one billion, twenty million, two hundred thirty-one thousand, twelve".