1223230312020 has 96 divisors (see below), whose sum is σ = 3440630390400. Its totient is φ = 324712436224.

The previous prime is 1223230311973. The next prime is 1223230312039. The reversal of 1223230312020 is 202130323221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19805227 + ... + 19866893.

It is an arithmetic number, because the mean of its divisors is an integer number (35839899900).

Almost surely, 2^{1223230312020} is an apocalyptic number.

1223230312020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223230312020 is an abundant number, since it is smaller than the sum of its proper divisors (2217400078380).

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

1223230312020 is a wasteful number, since it uses less digits than its factorization.

1223230312020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63177 (or 63175 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1223230312020 its reverse (202130323221), we get a palindrome (1425360635241).

The spelling of 1223230312020 in words is "one trillion, two hundred twenty-three billion, two hundred thirty million, three hundred twelve thousand, twenty".