12220220022122 has 16 divisors (see below), whose sum is σ = 21048232731072. Its totient is φ = 5212416121920.

The previous prime is 12220220022067. The next prime is 12220220022137. The reversal of 12220220022122 is 22122002202221.

It is a junction number, because it is equal to n+sod(n) for n = 12220220022094 and 12220220022103.

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, 2068416143 + ... + 2068422050.

It is an arithmetic number, because the mean of its divisors is an integer number (1315514545692).

Almost surely, 2^{12220220022122} is an apocalyptic number.

12220220022122 is a deficient number, since it is larger than the sum of its proper divisors (8828012708950).

12220220022122 is a wasteful number, since it uses less digits than its factorization.

12220220022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4136838413.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 12220220022122 its reverse (22122002202221), we get a palindrome (34342222224343).

The spelling of 12220220022122 in words is "twelve trillion, two hundred twenty billion, two hundred twenty million, twenty-two thousand, one hundred twenty-two".