1012201001 has 8 divisors (see below), whose sum is σ = 1161103680. Its totient is φ = 864373968.

The previous prime is 1012200947. The next prime is 1012201013. The reversal of 1012201001 is 1001022101.

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 1012201001 - 2¹⁸ = 1011938857 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1012201001.

It is not an unprimeable number, because it can be changed into a prime (1012201501) 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, 266891 + ... + 270656.

It is an arithmetic number, because the mean of its divisors is an integer number (145137960).

Almost surely, 2^1012201001 is an apocalyptic number.

It is an amenable number.

1012201001 is a deficient number, since it is larger than the sum of its proper divisors (148902679).

1012201001 is an equidigital number, since it uses as much as digits as its factorization.

1012201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537823.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1012201001 is about 31815.1064904708. The cubic root of 1012201001 is about 1004.0505710547.

Adding to 1012201001 its reverse (1001022101), we get a palindrome (2013223102).

The spelling of 1012201001 in words is "one billion, twelve million, two hundred one thousand, one".