13121210031010 has 32 divisors (see below), whose sum is σ = 24390261273600. Its totient is φ = 5077051721280.

The previous prime is 13121210030983. The next prime is 13121210031049. The reversal of 13121210031010 is 1013001212131.

It is a happy number.

It is a super-5 number, since 5×13121210031010⁵ (a number of 67 digits) contains 55555 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8118030 + ... + 9599209.

It is an arithmetic number, because the mean of its divisors is an integer number (762195664800).

Almost surely, 2^{13121210031010} is an apocalyptic number.

13121210031010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13121210031010 is a deficient number, since it is larger than the sum of its proper divisors (11269051242590).

13121210031010 is a wasteful number, since it uses less digits than its factorization.

13121210031010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17719666.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 13121210031010 its reverse (1013001212131), we get a palindrome (14134211243141).

The spelling of 13121210031010 in words is "thirteen trillion, one hundred twenty-one billion, two hundred ten million, thirty-one thousand, ten".