13012223140 has 48 divisors (see below), whose sum is σ = 31241089152. Its totient is φ = 4459654656.

The previous prime is 13012223099. The next prime is 13012223141. The reversal of 13012223140 is 4132221031.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13012223141) 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, 389539 + ... + 421621.

It is an arithmetic number, because the mean of its divisors is an integer number (650856024).

Almost surely, 2^13012223140 is an apocalyptic number.

13012223140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13012223140 is an abundant number, since it is smaller than the sum of its proper divisors (18228866012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13012223140 is a wasteful number, since it uses less digits than its factorization.

13012223140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34996 (or 34994 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13012223140 its reverse (4132221031), we get a palindrome (17144444171).

The spelling of 13012223140 in words is "thirteen billion, twelve million, two hundred twenty-three thousand, one hundred forty".