121310001300 has 36 divisors (see below), whose sum is σ = 350990271296. Its totient is φ = 32349333600.

The previous prime is 121310001299. The next prime is 121310001317. The reversal of 121310001300 is 3100013121.

It is a super-2 number, since 2×121310001300² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202183036 + ... + 202183635.

Almost surely, 2^121310001300 is an apocalyptic number.

121310001300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121310001300 is an abundant number, since it is smaller than the sum of its proper divisors (229680269996).

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

121310001300 is a wasteful number, since it uses less digits than its factorization.

121310001300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404366688 (or 404366681 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 121310001300 its reverse (3100013121), we get a palindrome (124410014421).

The spelling of 121310001300 in words is "one hundred twenty-one billion, three hundred ten million, one thousand, three hundred".