1234221300312 has 128 divisors (see below), whose sum is σ = 4142840808960. Its totient is φ = 295917189120.

The previous prime is 1234221300289. The next prime is 1234221300359. The reversal of 1234221300312 is 2130031224321.

It is a super-3 number, since 3×1234221300312³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 25663233 + ... + 25711280.

It is an arithmetic number, because the mean of its divisors is an integer number (32365943820).

Almost surely, 2^{1234221300312} is an apocalyptic number.

1234221300312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1234221300312 is an abundant number, since it is smaller than the sum of its proper divisors (2908619508648).

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

1234221300312 is a wasteful number, since it uses less digits than its factorization.

1234221300312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51374553 (or 51374549 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1234221300312 its reverse (2130031224321), we get a palindrome (3364252524633).

The spelling of 1234221300312 in words is "one trillion, two hundred thirty-four billion, two hundred twenty-one million, three hundred thousand, three hundred twelve".