1301123212306 has 8 divisors (see below), whose sum is σ = 2014642393344. Its totient is φ = 629575747860.

The previous prime is 1301123212283. The next prime is 1301123212307. The reversal of 1301123212306 is 6032123211031.

It is a happy number.

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

It is a super-2 number, since 2×1301123212306² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1301123212307) 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, 10492929070 + ... + 10492929193.

It is an arithmetic number, because the mean of its divisors is an integer number (251830299168).

Almost surely, 2^{1301123212306} is an apocalyptic number.

1301123212306 is a deficient number, since it is larger than the sum of its proper divisors (713519181038).

1301123212306 is a wasteful number, since it uses less digits than its factorization.

1301123212306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20985858296.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 1301123212306 its reverse (6032123211031), we get a palindrome (7333246423337).

The spelling of 1301123212306 in words is "one trillion, three hundred one billion, one hundred twenty-three million, two hundred twelve thousand, three hundred six".