1012023210220 has 48 divisors (see below), whose sum is σ = 2419255496448. Its totient is φ = 352008071360.

The previous prime is 1012023210179. The next prime is 1012023210239. The reversal of 1012023210220 is 220123202101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1012023210194 and 1012023210203.

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, 99997234 + ... + 100007353.

It is an arithmetic number, because the mean of its divisors is an integer number (50401156176).

Almost surely, 2^{1012023210220} is an apocalyptic number.

1012023210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012023210220 is an abundant number, since it is smaller than the sum of its proper divisors (1407232286228).

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

1012023210220 is a wasteful number, since it uses less digits than its factorization.

1012023210220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200004630 (or 200004628 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1012023210220 its reverse (220123202101), we get a palindrome (1232146412321).

The spelling of 1012023210220 in words is "one trillion, twelve billion, twenty-three million, two hundred ten thousand, two hundred twenty".