121200233224248 has 80 divisors (see below), whose sum is σ = 354232565747280. Its totient is φ = 38643552617472.

The previous prime is 121200233224229. The next prime is 121200233224249. The reversal of 121200233224248 is 842422332002121.

121200233224248 is a `hidden beast` number, since 1 + 2 + 1 + 200 + 2 + 3 + 3 + 22 + 424 + 8 = 666.

It is a super-2 number, since 2×121200233224248² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121200233224249) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4066015465 + ... + 4066045272.

It is an arithmetic number, because the mean of its divisors is an integer number (4427907071841).

Almost surely, 2^{121200233224248} is an apocalyptic number.

121200233224248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

121200233224248 is an abundant number, since it is smaller than the sum of its proper divisors (233032332523032).

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

121200233224248 is a wasteful number, since it uses less digits than its factorization.

121200233224248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8132060778 (or 8132060765 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

Adding to 121200233224248 its reverse (842422332002121), we get a palindrome (963622565226369).

The spelling of 121200233224248 in words is "one hundred twenty-one trillion, two hundred billion, two hundred thirty-three million, two hundred twenty-four thousand, two hundred forty-eight".