121453233120 has 144 divisors (see below), whose sum is σ = 414560371680. Its totient is φ = 32379620352.

The previous prime is 121453233101. The next prime is 121453233131. The reversal of 121453233120 is 21332354121.

121453233120 is a `hidden beast` number, since 1 + 2 + 1 + 4 + 532 + 3 + 3 + 120 = 666.

121453233120 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8112682 + ... + 8127638.

It is an arithmetic number, because the mean of its divisors is an integer number (2878891470).

Almost surely, 2^121453233120 is an apocalyptic number.

121453233120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121453233120 is an abundant number, since it is smaller than the sum of its proper divisors (293107138560).

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

121453233120 is a wasteful number, since it uses less digits than its factorization.

121453233120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20617 (or 20606 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 121453233120 its reverse (21332354121), we get a palindrome (142785587241).

The spelling of 121453233120 in words is "one hundred twenty-one billion, four hundred fifty-three million, two hundred thirty-three thousand, one hundred twenty".