12101220313 has 16 divisors (see below), whose sum is σ = 15769918080. Its totient is φ = 9011379456.

The previous prime is 12101220301. The next prime is 12101220317. The reversal of 12101220313 is 31302210121.

It is a cyclic number.

It is not a de Polignac number, because 12101220313 - 2¹⁷ = 12101089241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12101220317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3909643 + ... + 3912736.

It is an arithmetic number, because the mean of its divisors is an integer number (985619880).

Almost surely, 2^12101220313 is an apocalyptic number.

12101220313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12101220313 is a deficient number, since it is larger than the sum of its proper divisors (3668697767).

12101220313 is a wasteful number, since it uses less digits than its factorization.

12101220313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7822416.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12101220313 its reverse (31302210121), we get a palindrome (43403430434).

The spelling of 12101220313 in words is "twelve billion, one hundred one million, two hundred twenty thousand, three hundred thirteen".