10012121001222 has 16 divisors (see below), whose sum is σ = 20067120470592. Its totient is φ = 3330227255720.

The previous prime is 10012121001193. The next prime is 10012121001331. The reversal of 10012121001222 is 22210012121001.

It is a super-2 number, since 2×10012121001222² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1786599804 + ... + 1786605407.

It is an arithmetic number, because the mean of its divisors is an integer number (1254195029412).

Almost surely, 2^{10012121001222} is an apocalyptic number.

10012121001222 is an abundant number, since it is smaller than the sum of its proper divisors (10054999469370).

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

10012121001222 is a wasteful number, since it uses less digits than its factorization.

10012121001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3573205683.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10012121001222 its reverse (22210012121001), we get a palindrome (32222133122223).

The spelling of 10012121001222 in words is "ten trillion, twelve billion, one hundred twenty-one million, one thousand, two hundred twenty-two".