12010021220022 has 48 divisors (see below), whose sum is σ = 28119654627120. Its totient is φ = 3409578349632.

The previous prime is 12010021219961. The next prime is 12010021220027. The reversal of 12010021220022 is 22002212001021.

It is a junction number, because it is equal to n+sod(n) for n = 12010021219983 and 12010021220010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010021220027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130050697 + ... + 130143012.

It is an arithmetic number, because the mean of its divisors is an integer number (585826138065).

Almost surely, 2^{12010021220022} is an apocalyptic number.

12010021220022 is an abundant number, since it is smaller than the sum of its proper divisors (16109633407098).

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

12010021220022 is a wasteful number, since it uses less digits than its factorization.

12010021220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260193885 (or 260193878 counting only the distinct ones).

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

Adding to 12010021220022 its reverse (22002212001021), we get a palindrome (34012233221043).

The spelling of 12010021220022 in words is "twelve trillion, ten billion, twenty-one million, two hundred twenty thousand, twenty-two".