1230424044221 has 4 divisors (see below), whose sum is σ = 1242369908832. Its totient is φ = 1218478179612.

The previous prime is 1230424044139. The next prime is 1230424044247. The reversal of 1230424044221 is 1224404240321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1230424044221 - 2²² = 1230419849917 is a prime.

It is a super-3 number, since 3×1230424044221³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230424041221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5972932151 + ... + 5972932356.

It is an arithmetic number, because the mean of its divisors is an integer number (310592477208).

Almost surely, 2^{1230424044221} is an apocalyptic number.

It is an amenable number.

1230424044221 is a deficient number, since it is larger than the sum of its proper divisors (11945864611).

1230424044221 is a wasteful number, since it uses less digits than its factorization.

1230424044221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11945864610.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 1230424044221 its reverse (1224404240321), we get a palindrome (2454828284542).

The spelling of 1230424044221 in words is "one trillion, two hundred thirty billion, four hundred twenty-four million, forty-four thousand, two hundred twenty-one".