121545425214 has 24 divisors (see below), whose sum is σ = 263356673112. Its totient is φ = 40513872240.

The previous prime is 121545425213. The next prime is 121545425257. The reversal of 121545425214 is 412524545121.

121545425214 is a `hidden beast` number, since 1 + 2 + 1 + 54 + 542 + 52 + 14 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121545425213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 618724 + ... + 791144.

It is an arithmetic number, because the mean of its divisors is an integer number (10973194713).

Almost surely, 2^121545425214 is an apocalyptic number.

121545425214 is an abundant number, since it is smaller than the sum of its proper divisors (141811247898).

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

121545425214 is a wasteful number, since it uses less digits than its factorization.

121545425214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211592 (or 211589 counting only the distinct ones).

The product of its digits is 64000, while the sum is 36.

The spelling of 121545425214 in words is "one hundred twenty-one billion, five hundred forty-five million, four hundred twenty-five thousand, two hundred fourteen".