121482838620 has 288 divisors, whose sum is σ = 435439053504. Its totient is φ = 27026841600.

The previous prime is 121482838619. The next prime is 121482838621. The reversal of 121482838620 is 26838284121.

121482838620 is a `hidden beast` number, since 1 + 2 + 14 + 8 + 2 + 8 + 3 + 8 + 620 = 666.

It is an interprime number because it is at equal distance from previous prime (121482838619) and next prime (121482838621).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121482838621) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4439380 + ... + 4466660.

It is an arithmetic number, because the mean of its divisors is an integer number (1511941158).

Almost surely, 2^121482838620 is an apocalyptic number.

121482838620 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 121482838620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217719526752).

121482838620 is an abundant number, since it is smaller than the sum of its proper divisors (313956214884).

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

121482838620 is a wasteful number, since it uses less digits than its factorization.

121482838620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27493 (or 27488 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The spelling of 121482838620 in words is "one hundred twenty-one billion, four hundred eighty-two million, eight hundred thirty-eight thousand, six hundred twenty".