21234433124299 has 8 divisors (see below), whose sum is σ = 21352029385232. Its totient is φ = 21116839929120.

The previous prime is 21234433124257. The next prime is 21234433124309. The reversal of 21234433124299 is 99242133443212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21234433124299 - 2⁷ = 21234433124171 is a prime.

It is a super-2 number, since 2×21234433124299² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21234433124249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13899397 + ... + 15351289.

It is an arithmetic number, because the mean of its divisors is an integer number (2669003673154).

Almost surely, 2^{21234433124299} is an apocalyptic number.

21234433124299 is a deficient number, since it is larger than the sum of its proper divisors (117596260933).

21234433124299 is a wasteful number, since it uses less digits than its factorization.

21234433124299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532877.

The product of its digits is 2239488, while the sum is 49.

The spelling of 21234433124299 in words is "twenty-one trillion, two hundred thirty-four billion, four hundred thirty-three million, one hundred twenty-four thousand, two hundred ninety-nine".