13011120212 has 6 divisors (see below), whose sum is σ = 22769460378. Its totient is φ = 6505560104.

The previous prime is 13011120211. The next prime is 13011120223. The reversal of 13011120212 is 21202111031.

It can be written as a sum of positive squares in only one way, i.e., 9071800516 + 3939319696 = 95246^2 + 62764^2 .

It is a super-2 number, since 2×13011120212² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13011120211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1626390023 + ... + 1626390030.

It is an arithmetic number, because the mean of its divisors is an integer number (3794910063).

Almost surely, 2^13011120212 is an apocalyptic number.

It is an amenable number.

13011120212 is a deficient number, since it is larger than the sum of its proper divisors (9758340166).

13011120212 is a wasteful number, since it uses less digits than its factorization.

13011120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3252780057 (or 3252780055 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 13011120212 its reverse (21202111031), we get a palindrome (34213231243).

The spelling of 13011120212 in words is "thirteen billion, eleven million, one hundred twenty thousand, two hundred twelve".