1022020012000 has 96 divisors (see below), whose sum is σ = 2704265089344. Its totient is φ = 377361216000.

The previous prime is 1022020011967. The next prime is 1022020012007. The reversal of 1022020012000 is 2100202201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022020012007) 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 15 ways as a sum of consecutive naturals, for example, 9775116 + ... + 9879115.

It is an arithmetic number, because the mean of its divisors is an integer number (28169428014).

Almost surely, 2^{1022020012000} is an apocalyptic number.

1022020012000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022020012000 is an abundant number, since it is smaller than the sum of its proper divisors (1682245077344).

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

1022020012000 is a wasteful number, since it uses less digits than its factorization.

1022020012000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19654269 (or 19654251 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 1022020012000 its reverse (2100202201), we get a palindrome (1024120214201).

The spelling of 1022020012000 in words is "one trillion, twenty-two billion, twenty million, twelve thousand".