1012211305 has 8 divisors (see below), whose sum is σ = 1388175552. Its totient is φ = 694087728.

The previous prime is 1012211267. The next prime is 1012211341. The reversal of 1012211305 is 5031122101.

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

It is a cyclic number.

It is not a de Polignac number, because 1012211305 - 2⁷ = 1012211177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14460127 + ... + 14460196.

It is an arithmetic number, because the mean of its divisors is an integer number (173521944).

Almost surely, 2^1012211305 is an apocalyptic number.

It is an amenable number.

1012211305 is a deficient number, since it is larger than the sum of its proper divisors (375964247).

1012211305 is an equidigital number, since it uses as much as digits as its factorization.

1012211305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28920335.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1012211305 is about 31815.2684257103. The cubic root of 1012211305 is about 1004.0539780533.

Adding to 1012211305 its reverse (5031122101), we get a palindrome (6043333406).

The spelling of 1012211305 in words is "one billion, twelve million, two hundred eleven thousand, three hundred five".