122012022211222 has 64 divisors (see below), whose sum is σ = 226435874595840. Its totient is φ = 48476910931200.

The previous prime is 122012022211217. The next prime is 122012022211243. The reversal of 122012022211222 is 222112220210221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 122012022211193 and 122012022211202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6484947 + ... + 16913857.

It is an arithmetic number, because the mean of its divisors is an integer number (3538060540560).

Almost surely, 2^{122012022211222} is an apocalyptic number.

122012022211222 is a deficient number, since it is larger than the sum of its proper divisors (104423852384618).

122012022211222 is a wasteful number, since it uses less digits than its factorization.

122012022211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10431109.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 122012022211222 its reverse (222112220210221), we get a palindrome (344124242421443).

The spelling of 122012022211222 in words is "one hundred twenty-two trillion, twelve billion, twenty-two million, two hundred eleven thousand, two hundred twenty-two".