1223112120030 has 96 divisors (see below), whose sum is σ = 3321599299200. Its totient is φ = 323816644512.

The previous prime is 1223112119963. The next prime is 1223112120037. The reversal of 1223112120030 is 300212113221.

1223112120030 is a `hidden beast` number, since 122 + 311 + 2 + 1 + 200 + 30 = 666.

It is a super-2 number, since 2×1223112120030² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1223112119985 and 1223112120012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223112120037) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 1472800 + ... + 2148339.

It is an arithmetic number, because the mean of its divisors is an integer number (34599992700).

Almost surely, 2^{1223112120030} is an apocalyptic number.

1223112120030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223112120030 is an abundant number, since it is smaller than the sum of its proper divisors (2098487179170).

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

1223112120030 is a wasteful number, since it uses less digits than its factorization.

1223112120030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3621300 (or 3621288 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1223112120030 its reverse (300212113221), we get a palindrome (1523324233251).

The spelling of 1223112120030 in words is "one trillion, two hundred twenty-three billion, one hundred twelve million, one hundred twenty thousand, thirty".