121468905280 has 112 divisors (see below), whose sum is σ = 292444139520. Its totient is φ = 48051929088.

The previous prime is 121468905277. The next prime is 121468905281. The reversal of 121468905280 is 82509864121.

It is a super-2 number, since 2×121468905280² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121468905280.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121468905281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30617857 + ... + 30621823.

Almost surely, 2^121468905280 is an apocalyptic number.

121468905280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121468905280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146222069760).

121468905280 is an abundant number, since it is smaller than the sum of its proper divisors (170975234240).

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

121468905280 is a wasteful number, since it uses less digits than its factorization.

121468905280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5016 (or 5006 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 46.

The spelling of 121468905280 in words is "one hundred twenty-one billion, four hundred sixty-eight million, nine hundred five thousand, two hundred eighty".