13121212231010 has 64 divisors (see below), whose sum is σ = 26151478262784. Its totient is φ = 4709148710400.

The previous prime is 13121212231007. The next prime is 13121212231103. The reversal of 13121212231010 is 1013221212131.

It is a super-2 number, since 2×13121212231010² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3097574 + ... + 5986433.

It is an arithmetic number, because the mean of its divisors is an integer number (408616847856).

Almost surely, 2^{13121212231010} is an apocalyptic number.

13121212231010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13121212231010 is a deficient number, since it is larger than the sum of its proper divisors (13030266031774).

13121212231010 is a wasteful number, since it uses less digits than its factorization.

13121212231010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9084339.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 13121212231010 its reverse (1013221212131), we get a palindrome (14134433443141).

The spelling of 13121212231010 in words is "thirteen trillion, one hundred twenty-one billion, two hundred twelve million, two hundred thirty-one thousand, ten".