20022211002012 has 12 divisors (see below), whose sum is σ = 46718492338056. Its totient is φ = 6674070334000.

The previous prime is 20022211002011. The next prime is 20022211002047. The reversal of 20022211002012 is 21020011222002.

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

It is a super-3 number, since 3×20022211002012³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20022211001982 and 20022211002000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022211002011) 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, 834258791739 + ... + 834258791762.

It is an arithmetic number, because the mean of its divisors is an integer number (3893207694838).

Almost surely, 2^{20022211002012} is an apocalyptic number.

It is an amenable number.

20022211002012 is an abundant number, since it is smaller than the sum of its proper divisors (26696281336044).

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

20022211002012 is a wasteful number, since it uses less digits than its factorization.

20022211002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668517583508 (or 1668517583506 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20022211002012 its reverse (21020011222002), we get a palindrome (41042222224014).

The spelling of 20022211002012 in words is "twenty trillion, twenty-two billion, two hundred eleven million, two thousand, twelve".