12010012212222 has 48 divisors (see below), whose sum is σ = 26457976424880. Its totient is φ = 3936265027200.

The previous prime is 12010012212203. The next prime is 12010012212281. The reversal of 12010012212222 is 22221221001021.

It is a happy number.

12010012212222 is a `hidden beast` number, since 120 + 100 + 1 + 221 + 2 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12010012212195 and 12010012212204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 992397 + ... + 5000487.

It is an arithmetic number, because the mean of its divisors is an integer number (551207842185).

Almost surely, 2^{12010012212222} is an apocalyptic number.

12010012212222 is an abundant number, since it is smaller than the sum of its proper divisors (14447964212658).

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

12010012212222 is a wasteful number, since it uses less digits than its factorization.

12010012212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4010889 (or 4010886 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12010012212222 its reverse (22221221001021), we get a palindrome (34231233213243).

The spelling of 12010012212222 in words is "twelve trillion, ten billion, twelve million, two hundred twelve thousand, two hundred twenty-two".