1012210001 has 8 divisors (see below), whose sum is σ = 1127723904. Its totient is φ = 900611920.

The previous prime is 1012209977. The next prime is 1012210019. The reversal of 1012210001 is 1000122101.

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 1012210001 - 2¹⁸ = 1011947857 is a prime.

It is a super-2 number, since 2×1012210001² = 2049138172248840002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012210021) 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, 978410 + ... + 979443.

It is an arithmetic number, because the mean of its divisors is an integer number (140965488).

Almost surely, 2^1012210001 is an apocalyptic number.

1012210001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1012210001 is a deficient number, since it is larger than the sum of its proper divisors (115513903).

1012210001 is a wasteful number, since it uses less digits than its factorization.

1012210001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957911.

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

The square root of 1012210001 is about 31815.2479323987. The cubic root of 1012210001 is about 1004.0535468893.

Adding to 1012210001 its reverse (1000122101), we get a palindrome (2012332102).

The spelling of 1012210001 in words is "one billion, twelve million, two hundred ten thousand, one".