13012202120 has 16 divisors (see below), whose sum is σ = 29277454860. Its totient is φ = 5204880832.

The previous prime is 13012202111. The next prime is 13012202131. The reversal of 13012202120 is 2120221031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10769043076 + 2243159044 = 103774^2 + 47362^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13012202095 and 13012202104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162652487 + ... + 162652566.

Almost surely, 2^13012202120 is an apocalyptic number.

13012202120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13012202120 is an abundant number, since it is smaller than the sum of its proper divisors (16265252740).

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

13012202120 is a wasteful number, since it uses less digits than its factorization.

13012202120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325305064 (or 325305060 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 13012202120 its reverse (2120221031), we get a palindrome (15132423151).

The spelling of 13012202120 in words is "thirteen billion, twelve million, two hundred two thousand, one hundred twenty".