1220122313332 has 48 divisors (see below), whose sum is σ = 2339354283840. Its totient is φ = 553403803392.

The previous prime is 1220122313309. The next prime is 1220122313353. The reversal of 1220122313332 is 2333132210221.

It is a junction number, because it is equal to n+sod(n) for n = 1220122313297 and 1220122313306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1041888 + ... + 1877704.

It is an arithmetic number, because the mean of its divisors is an integer number (48736547580).

Almost surely, 2^{1220122313332} is an apocalyptic number.

It is an amenable number.

1220122313332 is a deficient number, since it is larger than the sum of its proper divisors (1119231970508).

1220122313332 is a wasteful number, since it uses less digits than its factorization.

1220122313332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836320 (or 836318 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1220122313332 its reverse (2333132210221), we get a palindrome (3553254523553).

The spelling of 1220122313332 in words is "one trillion, two hundred twenty billion, one hundred twenty-two million, three hundred thirteen thousand, three hundred thirty-two".