13120001200 has 30 divisors (see below), whose sum is σ = 31520803844. Its totient is φ = 5248000320.

The previous prime is 13120001197. The next prime is 13120001203. The reversal of 13120001200 is 210002131.

It is an interprime number because it is at equal distance from previous prime (13120001197) and next prime (13120001203).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (13120001203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16399602 + ... + 16400401.

Almost surely, 2^13120001200 is an apocalyptic number.

13120001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13120001200 is an abundant number, since it is smaller than the sum of its proper divisors (18400802644).

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

13120001200 is a wasteful number, since it uses less digits than its factorization.

13120001200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32800021 (or 32800010 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 13120001200 its reverse (210002131), we get a palindrome (13330003331).

The spelling of 13120001200 in words is "thirteen billion, one hundred twenty million, one thousand, two hundred".