1220023332000 has 288 divisors, whose sum is σ = 4723488229824. Its totient is φ = 295763136000.

The previous prime is 1220023331999. The next prime is 1220023332037. The reversal of 1220023332000 is 2333200221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (288).

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

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 47 ways as a sum of consecutive naturals, for example, 1144434 + ... + 1936433.

It is an arithmetic number, because the mean of its divisors is an integer number (16401000798).

Almost surely, 2^{1220023332000} is an apocalyptic number.

1220023332000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220023332000 is an abundant number, since it is smaller than the sum of its proper divisors (3503464897824).

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

1220023332000 is a wasteful number, since it uses less digits than its factorization.

1220023332000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3080909 (or 3080888 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 1220023332000 its reverse (2333200221), we get a palindrome (1222356532221).

The spelling of 1220023332000 in words is "one trillion, two hundred twenty billion, twenty-three million, three hundred thirty-two thousand".