1233412412421 has 32 divisors (see below), whose sum is σ = 2064423536640. Its totient is φ = 638681022144.

The previous prime is 1233412412399. The next prime is 1233412412431. The reversal of 1233412412421 is 1242142143321.

It is a happy number.

It is not a de Polignac number, because 1233412412421 - 2⁶ = 1233412412357 is a prime.

It is a super-2 number, since 2×1233412412421² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233412412431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67192110 + ... + 67210463.

It is an arithmetic number, because the mean of its divisors is an integer number (64513235520).

Almost surely, 2^{1233412412421} is an apocalyptic number.

It is an amenable number.

1233412412421 is a deficient number, since it is larger than the sum of its proper divisors (831011124219).

1233412412421 is a wasteful number, since it uses less digits than its factorization.

1233412412421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134402625.

The product of its digits is 9216, while the sum is 30.

Adding to 1233412412421 its reverse (1242142143321), we get a palindrome (2475554555742).

The spelling of 1233412412421 in words is "one trillion, two hundred thirty-three billion, four hundred twelve million, four hundred twelve thousand, four hundred twenty-one".