1221120300004 has 48 divisors (see below), whose sum is σ = 2347672384512. Its totient is φ = 551142900000.

The previous prime is 1221120299981. The next prime is 1221120300017. The reversal of 1221120300004 is 4000030211221.

It is a super-2 number, since 2×1221120300004² (a number of 25 digits) contains 22 as substring.

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, 15980569 + ... + 16056799.

It is an arithmetic number, because the mean of its divisors is an integer number (48909841344).

Almost surely, 2^{1221120300004} is an apocalyptic number.

It is an amenable number.

1221120300004 is a deficient number, since it is larger than the sum of its proper divisors (1126552084508).

1221120300004 is a wasteful number, since it uses less digits than its factorization.

1221120300004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78808 (or 78806 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1221120300004 its reverse (4000030211221), we get a palindrome (5221150511225).

The spelling of 1221120300004 in words is "one trillion, two hundred twenty-one billion, one hundred twenty million, three hundred thousand, four".