13212222021334 has 128 divisors (see below), whose sum is σ = 24679800668160. Its totient is φ = 5179850083584.

The previous prime is 13212222021329. The next prime is 13212222021337. The reversal of 13212222021334 is 43312022221231.

It is a happy number.

13212222021334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13212222021334² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212222021337) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 212032827 + ... + 212095129.

It is an arithmetic number, because the mean of its divisors is an integer number (192810942720).

Almost surely, 2^{13212222021334} is an apocalyptic number.

13212222021334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13212222021334 is a deficient number, since it is larger than the sum of its proper divisors (11467578646826).

13212222021334 is a wasteful number, since it uses less digits than its factorization.

13212222021334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62634.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 13212222021334 its reverse (43312022221231), we get a palindrome (56524244242565).

The spelling of 13212222021334 in words is "thirteen trillion, two hundred twelve billion, two hundred twenty-two million, twenty-one thousand, three hundred thirty-four".