1222000012122 has 16 divisors (see below), whose sum is σ = 2444264665920. Its totient is φ = 407289230432.

The previous prime is 1222000012081. The next prime is 1222000012139. The reversal of 1222000012122 is 2212100002221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10966683 + ... + 11077550.

It is an arithmetic number, because the mean of its divisors is an integer number (152766541620).

Almost surely, 2^{1222000012122} is an apocalyptic number.

1222000012122 is an abundant number, since it is smaller than the sum of its proper divisors (1222264653798).

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

1222000012122 is a wasteful number, since it uses less digits than its factorization.

1222000012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22053477.

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

Adding to 1222000012122 its reverse (2212100002221), we get a palindrome (3434100014343).

Subtracting 1222000012122 from its reverse (2212100002221), we obtain a palindrome (990099990099).

The spelling of 1222000012122 in words is "one trillion, two hundred twenty-two billion, twelve thousand, one hundred twenty-two".