1012211223001 has 16 divisors (see below), whose sum is σ = 1116948960000. Its totient is φ = 909599011200.

The previous prime is 1012211222983. The next prime is 1012211223031. The reversal of 1012211223001 is 1003221122101.

It is not a de Polignac number, because 1012211223001 - 2⁷ = 1012211222873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012211223031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3412375 + ... + 3697123.

It is an arithmetic number, because the mean of its divisors is an integer number (69809310000).

Almost surely, 2^{1012211223001} is an apocalyptic number.

1012211223001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1012211223001 is a deficient number, since it is larger than the sum of its proper divisors (104737736999).

1012211223001 is a wasteful number, since it uses less digits than its factorization.

1012211223001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288480.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1012211223001 its reverse (1003221122101), we get a palindrome (2015432345102).

The spelling of 1012211223001 in words is "one trillion, twelve billion, two hundred eleven million, two hundred twenty-three thousand, one".