1012210601 has 4 divisors (see below), whose sum is σ = 1013990100. Its totient is φ = 1010431104.

The previous prime is 1012210597. The next prime is 1012210609. The reversal of 1012210601 is 1060122101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 104755225 + 907455376 = 10235^2 + 30124^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012210601 - 2² = 1012210597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012210609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 888896 + ... + 890033.

It is an arithmetic number, because the mean of its divisors is an integer number (253497525).

Almost surely, 2^1012210601 is an apocalyptic number.

It is an amenable number.

1012210601 is a deficient number, since it is larger than the sum of its proper divisors (1779499).

1012210601 is an equidigital number, since it uses as much as digits as its factorization.

1012210601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779498.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1012210601 is about 31815.2573618382. The cubic root of 1012210601 is about 1004.0537452777.

Adding to 1012210601 its reverse (1060122101), we get a palindrome (2072332702).

The spelling of 1012210601 in words is "one billion, twelve million, two hundred ten thousand, six hundred one".