12010221112122 has 48 divisors (see below), whose sum is σ = 28582677264960. Its totient is φ = 3627801340416.

The previous prime is 12010221112091. The next prime is 12010221112157. The reversal of 12010221112122 is 22121112201021.

It is a super-2 number, since 2×12010221112122² (a number of 27 digits) contains 22 as substring.

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 = 12010221112095 and 12010221112104.

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, 763418343 + ... + 763434074.

It is an arithmetic number, because the mean of its divisors is an integer number (595472443020).

Almost surely, 2^{12010221112122} is an apocalyptic number.

12010221112122 is an abundant number, since it is smaller than the sum of its proper divisors (16572456152838).

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

12010221112122 is a wasteful number, since it uses less digits than its factorization.

12010221112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526852467 (or 1526852464 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12010221112122 its reverse (22121112201021), we get a palindrome (34131333313143).

The spelling of 12010221112122 in words is "twelve trillion, ten billion, two hundred twenty-one million, one hundred twelve thousand, one hundred twenty-two".