1222012210001 has 16 divisors (see below), whose sum is σ = 1379121975360. Its totient is φ = 1072574771520.

The previous prime is 1222012209997. The next prime is 1222012210039. The reversal of 1222012210001 is 1000122102221.

It is a cyclic number.

It is not a de Polignac number, because 1222012210001 - 2² = 1222012209997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222012210051) 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, 12869966 + ... + 12964568.

It is an arithmetic number, because the mean of its divisors is an integer number (86195123460).

Almost surely, 2^{1222012210001} is an apocalyptic number.

1222012210001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1222012210001 is a deficient number, since it is larger than the sum of its proper divisors (157109765359).

1222012210001 is a wasteful number, since it uses less digits than its factorization.

1222012210001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135136.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1222012210001 its reverse (1000122102221), we get a palindrome (2222134312222).

It can be divided in two parts, 12220 and 12210001, that added together give a palindrome (12222221).

The spelling of 1222012210001 in words is "one trillion, two hundred twenty-two billion, twelve million, two hundred ten thousand, one".