121303431410 has 16 divisors (see below), whose sum is σ = 249538487616. Its totient is φ = 41589747888.

The previous prime is 121303431401. The next prime is 121303431499. The reversal of 121303431410 is 14134303121.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 866453012 + ... + 866453151.

It is an arithmetic number, because the mean of its divisors is an integer number (15596155476).

Almost surely, 2^121303431410 is an apocalyptic number.

121303431410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121303431410 is an abundant number, since it is smaller than the sum of its proper divisors (128235056206).

121303431410 is a wasteful number, since it uses less digits than its factorization.

121303431410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732906177.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 121303431410 its reverse (14134303121), we get a palindrome (135437734531).

The spelling of 121303431410 in words is "one hundred twenty-one billion, three hundred three million, four hundred thirty-one thousand, four hundred ten".