121314454252 has 24 divisors (see below), whose sum is σ = 219395957760. Its totient is φ = 58634310480.

The previous prime is 121314454249. The next prime is 121314454277. The reversal of 121314454252 is 252454413121.

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, 441502 + ... + 661477.

It is an arithmetic number, because the mean of its divisors is an integer number (9141498240).

Almost surely, 2^121314454252 is an apocalyptic number.

It is an amenable number.

121314454252 is a deficient number, since it is larger than the sum of its proper divisors (98081503508).

121314454252 is a wasteful number, since it uses less digits than its factorization.

121314454252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103901 (or 1103899 counting only the distinct ones).

The product of its digits is 38400, while the sum is 34.

Adding to 121314454252 its reverse (252454413121), we get a palindrome (373768867373).

The spelling of 121314454252 in words is "one hundred twenty-one billion, three hundred fourteen million, four hundred fifty-four thousand, two hundred fifty-two".