13212220034 has 8 divisors (see below), whose sum is σ = 21342817020. Its totient is φ = 6097947696.

The previous prime is 13212220009. The next prime is 13212220039. The reversal of 13212220034 is 43002221231.

It can be written as a sum of positive squares in 2 ways, for example, as 12156165025 + 1056055009 = 110255^2 + 32497^2 .

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

It is a super-2 number, since 2×13212220034² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13212219988 and 13212220015.

It is not an unprimeable number, because it can be changed into a prime (13212220039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254081129 + ... + 254081180.

Almost surely, 2^13212220034 is an apocalyptic number.

13212220034 is a deficient number, since it is larger than the sum of its proper divisors (8130596986).

13212220034 is a wasteful number, since it uses less digits than its factorization.

13212220034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508162324.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 13212220034 its reverse (43002221231), we get a palindrome (56214441265).

The spelling of 13212220034 in words is "thirteen billion, two hundred twelve million, two hundred twenty thousand, thirty-four".