10222121001012 has 12 divisors (see below), whose sum is σ = 23851615669056. Its totient is φ = 3407373667000.

The previous prime is 10222121001011. The next prime is 10222121001019. The reversal of 10222121001012 is 21010012122201.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 10222121000982 and 10222121001000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222121001011) 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, 425921708364 + ... + 425921708387.

It is an arithmetic number, because the mean of its divisors is an integer number (1987634639088).

Almost surely, 2^{10222121001012} is an apocalyptic number.

10222121001012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10222121001012 is an abundant number, since it is smaller than the sum of its proper divisors (13629494668044).

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

10222121001012 is a wasteful number, since it uses less digits than its factorization.

10222121001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851843416758 (or 851843416756 counting only the distinct ones).

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

Adding to 10222121001012 its reverse (21010012122201), we get a palindrome (31232133123213).

The spelling of 10222121001012 in words is "ten trillion, two hundred twenty-two billion, one hundred twenty-one million, one thousand, twelve".