13112201002 has 4 divisors (see below), whose sum is σ = 19668301506. Its totient is φ = 6556100500.

The previous prime is 13112200973. The next prime is 13112201009. The reversal of 13112201002 is 20010221131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10046253361 + 3065947641 = 100231^2 + 55371^2 .

It is not an unprimeable number, because it can be changed into a prime (13112201009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3278050249 + ... + 3278050252.

Almost surely, 2^13112201002 is an apocalyptic number.

13112201002 is a deficient number, since it is larger than the sum of its proper divisors (6556100504).

13112201002 is an equidigital number, since it uses as much as digits as its factorization.

13112201002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6556100503.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 13112201002 its reverse (20010221131), we get a palindrome (33122422133).

The spelling of 13112201002 in words is "thirteen billion, one hundred twelve million, two hundred one thousand, two".