121622834921472 has 360 divisors, whose sum is σ = 368969946217600. Its totient is φ = 40027664941056.

The previous prime is 121622834921389. The next prime is 121622834921479. The reversal of 121622834921472 is 274129438226121.

121622834921472 is a `hidden beast` number, since 1 + 2 + 1 + 6 + 2 + 2 + 8 + 3 + 492 + 147 + 2 = 666.

It is a super-2 number, since 2×121622834921472² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121622834921479) 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, 314330304 + ... + 314716992.

Almost surely, 2^{121622834921472} is an apocalyptic number.

121622834921472 is a gapful number since it is divisible by the number (12) 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 121622834921472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184484973108800).

121622834921472 is an abundant number, since it is smaller than the sum of its proper divisors (247347111296128).

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

121622834921472 is an frugal number, since it uses more digits than its factorization.

121622834921472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386811 (or 386773 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The spelling of 121622834921472 in words is "one hundred twenty-one trillion, six hundred twenty-two billion, eight hundred thirty-four million, nine hundred twenty-one thousand, four hundred seventy-two".