12212010121122 has 48 divisors (see below), whose sum is σ = 30244082586432. Its totient is φ = 3488589660960.

The previous prime is 12212010121043. The next prime is 12212010121141. The reversal of 12212010121122 is 22112101021221.

12212010121122 is a `hidden beast` number, since 1 + 221 + 201 + 0 + 121 + 122 = 666.

12212010121122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12212010121122² (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 = 12212010121095 and 12212010121104.

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, 6929404 + ... + 8511207.

It is an arithmetic number, because the mean of its divisors is an integer number (630085053884).

Almost surely, 2^{12212010121122} is an apocalyptic number.

12212010121122 is an abundant number, since it is smaller than the sum of its proper divisors (18032072465310).

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

12212010121122 is a wasteful number, since it uses less digits than its factorization.

12212010121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15446903 (or 15446900 counting only the distinct ones).

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

Adding to 12212010121122 its reverse (22112101021221), we get a palindrome (34324111142343).

Subtracting 12212010121122 from its reverse (22112101021221), we obtain a palindrome (9900090900099).

The spelling of 12212010121122 in words is "twelve trillion, two hundred twelve billion, ten million, one hundred twenty-one thousand, one hundred twenty-two".