26421132212 has 6 divisors (see below), whose sum is σ = 46236981378. Its totient is φ = 13210566104.

The previous prime is 26421132211. The next prime is 26421132229. The reversal of 26421132212 is 21223112462.

It can be written as a sum of positive squares in only one way, i.e., 20688219556 + 5732912656 = 143834^2 + 75716^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26421132211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3302641523 + ... + 3302641530.

It is an arithmetic number, because the mean of its divisors is an integer number (7706163563).

Almost surely, 2^26421132212 is an apocalyptic number.

It is an amenable number.

26421132212 is a deficient number, since it is larger than the sum of its proper divisors (19815849166).

26421132212 is a wasteful number, since it uses less digits than its factorization.

26421132212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6605283057 (or 6605283055 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

Adding to 26421132212 its reverse (21223112462), we get a palindrome (47644244674).

The spelling of 26421132212 in words is "twenty-six billion, four hundred twenty-one million, one hundred thirty-two thousand, two hundred twelve".