121225646514 has 48 divisors (see below), whose sum is σ = 285433249248. Its totient is φ = 34218592128.

The previous prime is 121225646513. The next prime is 121225646519. The reversal of 121225646514 is 415646522121.

It is not an unprimeable number, because it can be changed into a prime (121225646513) 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, 2459527 + ... + 2508330.

It is an arithmetic number, because the mean of its divisors is an integer number (5946526026).

Almost surely, 2^121225646514 is an apocalyptic number.

121225646514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121225646514 is an abundant number, since it is smaller than the sum of its proper divisors (164207602734).

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

121225646514 is a wasteful number, since it uses less digits than its factorization.

121225646514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4967959 (or 4967952 counting only the distinct ones).

The product of its digits is 115200, while the sum is 39.

The spelling of 121225646514 in words is "one hundred twenty-one billion, two hundred twenty-five million, six hundred forty-six thousand, five hundred fourteen".