1000013001222 has 32 divisors (see below), whose sum is σ = 2005716252672. Its totient is φ = 332389511424.

The previous prime is 1000013001157. The next prime is 1000013001223. The reversal of 1000013001222 is 2221003100001.

1000013001222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1000013001222² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1000013001198 and 1000013001207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000013001223) 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, 22599043 + ... + 22643249.

It is an arithmetic number, because the mean of its divisors is an integer number (62678632896).

Almost surely, 2^{1000013001222} is an apocalyptic number.

1000013001222 is an abundant number, since it is smaller than the sum of its proper divisors (1005703251450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000013001222 is a wasteful number, since it uses less digits than its factorization.

1000013001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54852.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 1000013001222 its reverse (2221003100001), we get a palindrome (3221016101223).

The spelling of 1000013001222 in words is "one trillion, thirteen million, one thousand, two hundred twenty-two".