1012212001001 has 4 divisors (see below), whose sum is σ = 1021671926352. Its totient is φ = 1002752075652.

The previous prime is 1012212000983. The next prime is 1012212001027. The reversal of 1012212001001 is 1001002122101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1012212001001 - 2⁶ = 1012212000937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012212001061) 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, 4729962515 + ... + 4729962728.

It is an arithmetic number, because the mean of its divisors is an integer number (255417981588).

Almost surely, 2^{1012212001001} is an apocalyptic number.

It is an amenable number.

1012212001001 is a deficient number, since it is larger than the sum of its proper divisors (9459925351).

1012212001001 is an equidigital number, since it uses as much as digits as its factorization.

1012212001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9459925350.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1012212001001 its reverse (1001002122101), we get a palindrome (2013214123102).

The spelling of 1012212001001 in words is "one trillion, twelve billion, two hundred twelve million, one thousand, one".