1223213299984 has 40 divisors (see below), whose sum is σ = 2552503426200. Its totient is φ = 564510916608.

The previous prime is 1223213299969. The next prime is 1223213299991. The reversal of 1223213299984 is 4899923123221.

It can be written as a sum of positive squares in 4 ways, for example, as 210919747600 + 1012293552384 = 459260^2 + 1006128^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2199942 + ... + 2699290.

It is an arithmetic number, because the mean of its divisors is an integer number (63812585655).

Almost surely, 2^{1223213299984} is an apocalyptic number.

It is an amenable number.

1223213299984 is an abundant number, since it is smaller than the sum of its proper divisors (1329290126216).

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

1223213299984 is a wasteful number, since it uses less digits than its factorization.

1223213299984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511147 (or 511141 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 55.

The spelling of 1223213299984 in words is "one trillion, two hundred twenty-three billion, two hundred thirteen million, two hundred ninety-nine thousand, nine hundred eighty-four".