122220222122112 has 32 divisors (see below), whose sum is σ = 324647465012880. Its totient is φ = 40740074040576.

The previous prime is 122220222122107. The next prime is 122220222122113. The reversal of 122220222122112 is 211221222022221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (122220222122113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159140913838 + ... + 159140914605.

Almost surely, 2^{122220222122112} is an apocalyptic number.

122220222122112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122220222122112 is an abundant number, since it is smaller than the sum of its proper divisors (202427242890768).

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

122220222122112 is an equidigital number, since it uses as much as digits as its factorization.

122220222122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318281828460 (or 318281828448 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 122220222122112 its reverse (211221222022221), we get a palindrome (333441444144333).

The spelling of 122220222122112 in words is "one hundred twenty-two trillion, two hundred twenty billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred twelve".