21433222233412 has 48 divisors (see below), whose sum is σ = 44332465205952. Its totient is φ = 8956053550080.

The previous prime is 21433222233377. The next prime is 21433222233457.

It is a happy number.

21433222233412 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333154353 + ... + 333218680.

It is an arithmetic number, because the mean of its divisors is an integer number (923593025124).

Almost surely, 2^{21433222233412} is an apocalyptic number.

21433222233412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21433222233412 is an abundant number, since it is smaller than the sum of its proper divisors (22899242972540).

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

21433222233412 is a wasteful number, since it uses less digits than its factorization.

21433222233412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666373108 (or 666373106 counting only the distinct ones).

The product of its digits is 82944, while the sum is 34.

It can be divided in two parts, 2143322 and 2233412, that added together give a palindrome (4376734).

The spelling of 21433222233412 in words is "twenty-one trillion, four hundred thirty-three billion, two hundred twenty-two million, two hundred thirty-three thousand, four hundred twelve".