12122151346 has 8 divisors (see below), whose sum is σ = 18439329024. Its totient is φ = 5975708340.

The previous prime is 12122151343. The next prime is 12122151383. The reversal of 12122151346 is 64315122121.

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

It is a super-2 number, since 2×12122151346² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12122151343) 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, 42683490 + ... + 42683773.

It is an arithmetic number, because the mean of its divisors is an integer number (2304916128).

Almost surely, 2^12122151346 is an apocalyptic number.

12122151346 is a deficient number, since it is larger than the sum of its proper divisors (6317177678).

12122151346 is an equidigital number, since it uses as much as digits as its factorization.

12122151346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85367336.

The product of its digits is 2880, while the sum is 28.

Adding to 12122151346 its reverse (64315122121), we get a palindrome (76437273467).

The spelling of 12122151346 in words is "twelve billion, one hundred twenty-two million, one hundred fifty-one thousand, three hundred forty-six".