121013788548 has 24 divisors (see below), whose sum is σ = 282527184352. Its totient is φ = 40314832704.

The previous prime is 121013788529. The next prime is 121013788549. The reversal of 121013788548 is 845887310121.

It is a junction number, because it is equal to n+sod(n) for n = 121013788497 and 121013788506.

It is not an unprimeable number, because it can be changed into a prime (121013788549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2865265 + ... + 2907192.

Almost surely, 2^121013788548 is an apocalyptic number.

It is an amenable number.

121013788548 is an abundant number, since it is smaller than the sum of its proper divisors (161513395804).

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

121013788548 is a wasteful number, since it uses less digits than its factorization.

121013788548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5774211 (or 5774209 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 48.

The spelling of 121013788548 in words is "one hundred twenty-one billion, thirteen million, seven hundred eighty-eight thousand, five hundred forty-eight".