1012323210 has 64 divisors (see below), whose sum is σ = 2498840064. Its totient is φ = 262310400.

The previous prime is 1012323209. The next prime is 1012323229. The reversal of 1012323210 is 123232101.

1012323210 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 1012323210.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 331812 + ... + 334848.

It is an arithmetic number, because the mean of its divisors is an integer number (39044376).

Almost surely, 2^1012323210 is an apocalyptic number.

1012323210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1012323210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1249420032).

1012323210 is an abundant number, since it is smaller than the sum of its proper divisors (1486516854).

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

1012323210 is a wasteful number, since it uses less digits than its factorization.

1012323210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3359.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1012323210 is about 31817.0270452788. The cubic root of 1012323210 is about 1004.0909777454.

Adding to 1012323210 its reverse (123232101), we get a palindrome (1135555311).

It can be divided in two parts, 10123 and 23210, that added together give a palindrome (33333).

The spelling of 1012323210 in words is "one billion, twelve million, three hundred twenty-three thousand, two hundred ten".