1220323121122 has 16 divisors (see below), whose sum is σ = 2136492760320. Its totient is φ = 511868056608.

The previous prime is 1220323121107. The next prime is 1220323121137. The reversal of 1220323121122 is 2211213230221.

It is an interprime number because it is at equal distance from previous prime (1220323121107) and next prime (1220323121137).

It is a junction number, because it is equal to n+sod(n) for n = 1220323121093 and 1220323121102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 927296547 + ... + 927297862.

It is an arithmetic number, because the mean of its divisors is an integer number (133530797520).

Almost surely, 2^{1220323121122} is an apocalyptic number.

1220323121122 is a deficient number, since it is larger than the sum of its proper divisors (916169639198).

1220323121122 is a wasteful number, since it uses less digits than its factorization.

1220323121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854594465.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1220323121122 its reverse (2211213230221), we get a palindrome (3431536351343).

The spelling of 1220323121122 in words is "one trillion, two hundred twenty billion, three hundred twenty-three million, one hundred twenty-one thousand, one hundred twenty-two".