121301210315352 has 16 divisors (see below), whose sum is σ = 303253025788440. Its totient is φ = 40433736771776.

The previous prime is 121301210315321. The next prime is 121301210315423. The reversal of 121301210315352 is 253513012103121.

It is a happy number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 2527108548213 + ... + 2527108548260.

Almost surely, 2^{121301210315352} is an apocalyptic number.

121301210315352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121301210315352 is an abundant number, since it is smaller than the sum of its proper divisors (181951815473088).

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

121301210315352 is a wasteful number, since it uses less digits than its factorization.

121301210315352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5054217096482 (or 5054217096478 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

Adding to 121301210315352 its reverse (253513012103121), we get a palindrome (374814222418473).

The spelling of 121301210315352 in words is "one hundred twenty-one trillion, three hundred one billion, two hundred ten million, three hundred fifteen thousand, three hundred fifty-two".