1200213023020 has 48 divisors (see below), whose sum is σ = 2911318871328. Its totient is φ = 410768092160.

The previous prime is 1200213023017. The next prime is 1200213023029. The reversal of 1200213023020 is 203203120021.

It is a super-2 number, since 2×1200213023020² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1200213022985 and 1200213023003.

It is not an unprimeable number, because it can be changed into a prime (1200213023029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160452547 + ... + 160460026.

It is an arithmetic number, because the mean of its divisors is an integer number (60652476486).

Almost surely, 2^{1200213023020} is an apocalyptic number.

1200213023020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200213023020 is an abundant number, since it is smaller than the sum of its proper divisors (1711105848308).

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

1200213023020 is a wasteful number, since it uses less digits than its factorization.

1200213023020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320912610 (or 320912608 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1200213023020 its reverse (203203120021), we get a palindrome (1403416143041).

The spelling of 1200213023020 in words is "one trillion, two hundred billion, two hundred thirteen million, twenty-three thousand, twenty".