1020012210 has 128 divisors (see below), whose sum is σ = 3151618560. Its totient is φ = 229920768.

The previous prime is 1020012187. The next prime is 1020012269. The reversal of 1020012210 is 122100201.

1020012210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

1020012210 is a modest number, since divided by 12210 gives 1020 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1020012192 and 1020012201.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 134274 + ... + 141666.

It is an arithmetic number, because the mean of its divisors is an integer number (24622020).

Almost surely, 2^1020012210 is an apocalyptic number.

1020012210 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 1020012210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1575809280).

1020012210 is an abundant number, since it is smaller than the sum of its proper divisors (2131606350).

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

1020012210 is a wasteful number, since it uses less digits than its factorization.

1020012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7489 (or 7483 counting only the distinct ones).

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

The square root of 1020012210 is about 31937.6299997354. The cubic root of 1020012210 is about 1006.6267261661.

Adding to 1020012210 its reverse (122100201), we get a palindrome (1142112411).

The spelling of 1020012210 in words is "one billion, twenty million, twelve thousand, two hundred ten".