121412545025 has 24 divisors (see below), whose sum is σ = 151490304000. Its totient is φ = 96525411200.

The previous prime is 121412545003. The next prime is 121412545027. The reversal of 121412545025 is 520545214121.

It is not a de Polignac number, because 121412545025 - 2⁶ = 121412544961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121412544982 and 121412545000.

It is not an unprimeable number, because it can be changed into a prime (121412545027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4996856 + ... + 5021094.

It is an arithmetic number, because the mean of its divisors is an integer number (6312096000).

Almost surely, 2^121412545025 is an apocalyptic number.

It is an amenable number.

121412545025 is a deficient number, since it is larger than the sum of its proper divisors (30077758975).

121412545025 is a wasteful number, since it uses less digits than its factorization.

121412545025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25489 (or 25484 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 32.

Adding to 121412545025 its reverse (520545214121), we get a palindrome (641957759146).

The spelling of 121412545025 in words is "one hundred twenty-one billion, four hundred twelve million, five hundred forty-five thousand, twenty-five".