121371303452 has 12 divisors (see below), whose sum is σ = 242742606960. Its totient is φ = 52016272896.

The previous prime is 121371303437. The next prime is 121371303503. The reversal of 121371303452 is 254303173121.

121371303452 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2167344677 + ... + 2167344732.

It is an arithmetic number, because the mean of its divisors is an integer number (20228550580).

Almost surely, 2^121371303452 is an apocalyptic number.

It is an amenable number.

121371303452 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121371303452 is a wasteful number, since it uses less digits than its factorization.

121371303452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4334689420 (or 4334689418 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

Adding to 121371303452 its reverse (254303173121), we get a palindrome (375674476573).

The spelling of 121371303452 in words is "one hundred twenty-one billion, three hundred seventy-one million, three hundred three thousand, four hundred fifty-two".