1012220313 has 8 divisors (see below), whose sum is σ = 1453444608. Its totient is φ = 622904784.

The previous prime is 1012220267. The next prime is 1012220327. The reversal of 1012220313 is 3130222101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1012220313 - 2⁶ = 1012220249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1012220292 and 1012220301.

It is not an unprimeable number, because it can be changed into a prime (1012220113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12977145 + ... + 12977222.

It is an arithmetic number, because the mean of its divisors is an integer number (181680576).

Almost surely, 2^1012220313 is an apocalyptic number.

1012220313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1012220313 is a deficient number, since it is larger than the sum of its proper divisors (441224295).

1012220313 is a wasteful number, since it uses less digits than its factorization.

1012220313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25954383.

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

The square root of 1012220313 is about 31815.4099926435. The cubic root of 1012220313 is about 1004.0569565128.

Adding to 1012220313 its reverse (3130222101), we get a palindrome (4142442414).

The spelling of 1012220313 in words is "one billion, twelve million, two hundred twenty thousand, three hundred thirteen".